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Lewis & Clark's Columbia River - "200 Years Later"
"Boring Lava Field, Washington and Oregon"
Includes ... Boring ... Boring Lava Field ... Biddle Butte ... Bobs Mountain ... Broughton Bluff ... Chamberlain Hill ... Devils Rest ... Larch Mountain ... Mount Zion ... Prune Hill ... Rocky Butte ...
Image, 2003, Rocky Butte, Oregon, from Columbia River, click to enlarge
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Rocky Butte, Oregon, as seen from Ryan Point, Washington. Image taken June 15, 2003.


Boring Lava Field ...
The Boring Lava Field surrounds Portland, Oregon, and contains over 50 vents. The field is 1 to 2 million years old. As Lewis and Clark paddled down the Columbia River, west of the Columbia River Gorge, they passed many cones of the Boring Lava Field, from shield volcanoes such as Larch Mountain, to smaller cones like Rocky Butte. Other vents include Bobs Mountain which rises above Cape Horn and Chamberlain Hill, on the right bank of the Sandy River.

Boring ...
The Boring Lava Field gets its name from the town of Boring, Oregon, which in turn was named for W.H. Boring, an old resident of the area. The district was known to old setters as the Boring neighborhood, and in 1903 a townsite was platted and called Boring Junction. The Boring Post Office was established in March 1903. Builders of the interurban railway adopted "Boring" as the name of the community.

Image, 2006, Boring Lava Cones east of Portland, Oregon, click to enlarge
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Boring Lava Cones east of Portland, Oregon. View from the Interstate 205 Bridge crossing the Columbia River. Image taken August 30, 2006.


Boring Lava Cones ... (alphabetical)


Biddle Butte (Mount Zion), Washington ...
Biddle Butte (also known as "Mount Zion") is a small olivine shield volcano that postdates the Troutdale Formation. A small basaltic-andesite intracanyon flow can be seen emanating from Biddle Butte. Similar vents in the Portland, Oregon, area are inferred to be less than 730,000 years old. Good views of Biddle Butte are from Rooster Rock State Park and Bridal Veil Falls area, on the Oregon side of the Columbia River.
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Image, 2003, Mount Zion, Washington, from Rooster Rock, Oregon, click to enlarge
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Biddle Butte (Mount Zion), Washington, from Rooster Rock, Oregon. Columbia River and mudflats below Rooster Rock are in the foreground. Image taken October 18, 2003.
Image, 2004, Mount Zion, Washington, from Bridal Veil, Oregon, click to enlarge
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Cape Horn, Washington, with Biddle Butte (Mount Zion) above, from Bridal Veil, Oregon. Image taken October 11, 2004.


Bobs Mountain, Washington ...
Bobs Mountain is a partial summit crater located on the Washington side of the Columbia River, 20 miles northwest of Portland, Oregon. It can nicely be seen from the pullout at Cape Horn, along Washington State Highway 14, east of Washougal, Washington.

Who was Bob ??? The 1911 USGS Mount Hood and Vicinity, 1:125,000 topographic map has "Bobs Mtn". Mark Parsons in Across Rushing Waters, A History of Washougal River and Cape Horn (1982, Post-Record, Camas) calls the feature "Ross' Mountain" after Alexander Ross.


Image, 2003, Bobs Mountain, Washington, as seen from Cape Horn, click to enlarge
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Bobs Mountain, Washington, as seen from Cape Horn, Washington. Image taken July 5, 2003.
Image, 2004, Bobs Mountain, Washington, as seen from Cape Horn, click to enlarge
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Bobs Mountain, Washington, as seen from Cape Horn, Washington. Image taken October 27, 2004.


Chamberlain Hill, Oregon ...
The 890-feet-high Chamberlain Hill is one of the cones of the Boring Lava Field and is located in Multnomah County, Oregon, just east of the Sandy River. Chamberlain Hill was named for Elijah D. and Sarah Ellen Chamberlain, who came to Oregon from Kansas in 1881 and settled in the Springdale area, south of the hill. The northwest corner of Chamberlain Hill which borders the Sandy is called "Broughton Bluff". It can be reached from the Lewis and Clark State Recreation Area on the east side of the Sandy River.
[More]

Image, 2003, Chamberlain Hill, Oregon, as seen from Washougal, Washington, click to enlarge
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Chamberlain Hill, Oregon, as seen from Washougal, Washington. The Sandy River delta is to the right. Image taken July 3, 2003.
Image, 2005, Broughton Bluff from Lewis and Clark State Park, click to enlarge
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Broughton Bluff and Lewis and Clark State Recreation Area, Oregon. Broughton Bluff is the northwest corner of Chamberlain Hill, one of the Boring Lava Cones. Image taken October 22, 2005.


Devils Rest, Oregon ...
Devils Rest is a Boring Lava Cone which sits above Angels Rest, a lava flow of Columbia River Basalt.

Image, 2004, Angels Rest and Devils Rest, Oregon, from Tunnel Point, click to enlarge
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Angels Rest (ridge left) and Devils Rest (cone on top), as seen from Tunnel Point, Oregon. Angels Rest is Columbia River basalt and lies uphill from Dalton Point, Oregon. Devils Rest is a Boring Lava cone. Image taken October 10, 2004.


Kelly Butte, Rocky Butte, and Mount Tabor ...
The city of Portland, Oregon, had grown up around some of the Boring Cones, such as Kelly Butte, Rocky Butte, and Mount Tabor.

Image, 2005, Boring Lava Field from Willamette National Cemetery, Oregon, click to enlarge
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Boring Lava Field -- Mount Tabor, Kelly Butte, and Rocky Butte. Rocky Butte is just visible on the right behind Kelly Butte. View from the Willamette National Cemetery, another Boring Lava Cone. Image taken December 8, 2005.
Image, 2005, Boring Lava Field from Willamette National Cemetery, Oregon, click to enlarge
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Boring Lava Field -- Kelly Butte and Rocky Butte. View from the Willamette National Cemetery, another Boring Lava Cone. Image taken December 8, 2005.
Image, 2005, Boring Lava Field from Willamette National Cemetery, Oregon, click to enlarge
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Boring Lava Field -- Mount Tabor. View from the Willamette National Cemetery, another Boring Lava Cone. Image taken December 8, 2005.
Image, 2010, Portland, Oregon, from Mount Tabor, click to enlarge
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Portland, Oregon, from Mount Tabor. View of Portland from Mount Tabor, a Boring Lava Cone located east of Portland. The Tualatin Mountains, also known as the Portland West Hills, rise as a backdrop to Portland. Image taken May 9, 2010.


Larch Mountain, Oregon ...
Larch Mountain, Oregon, is a 4,056-feet-high shield volcano of the Boring Lava Field. A good view of Larch Mountain is from the Tunnel Point Pullout on the west-bound lane of Interstate 84, just east of Portland, Oregon.
[More]

Image, 2003, Larch Mountain, Oregon, as seen from Washougal, Washington, click to enlarge
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Larch Mountain shield volcano, Oregon, as seen from Washougal, Washington. Image taken July 3, 2003.
Image, 2003, Larch Mountain, Oregon, with Crown Point, click to enlarge
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Larch Mountain shield volcano, Oregon (background), with Crown Point (foreground). View from Tunnel Point, Interstate 80, Oregon. Image taken June 15, 2003.


Prune Hill, Washington ...
The base of the Boring Lava cone "Prune Hill" can be seen rising behind Lady Island and Camas, Washington. The first name given to this area was "Rock Quarry District" for the large quarry located on the Columbia River near Fisher. The name "Prune Hill" was adopted in 1900. In the 1880s and 1890s the west slopes and top of the hill were planted prune trees, with a Mr. Boyer being the first man in the area to put in a big prune orchard. Other settlers followed. At one time there were seven dryers in the Prune Hill area alone (none remain today). By the turn of the century Clark County, Washington, was known as the prune capitol of the world, a title which continued until the Depression when the bottom fell out of the prune market. Today only a few prune trees remain. Good views of Prune Hill can be had from another Boring Lava Cone, Rocky Butte, located south of the Portland International Airport.
[More]

Image, 2005, Prune Hill, a Boring Lava Cone, as seen from Rocky Butte, click to enlarge
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Prune Hill, Washington, a Boring Lava Cone, as seen from Rocky Butte, Oregon Image taken June 15, 2005.
Image, 2004, Prune Hill, Washington, from Chinook Landing, Oregon, click to enlarge
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Prune Hill, Washington, from Chinook Landing, Oregon. Lady Island is the low trees in the middleground. Image taken October 11, 2004.


Rocky Butte, Oregon ...
Rocky Butte is a volcanic cone of the Boring Lava Field. Once known as "Wiberg Butte", today it is called "Rocky Butte" after the quarry on the east side. The slightly-over-600-feet-high butte is about 1.3 million years old, with two vents at the top.
[More]

Image, 2003, Rocky Butte, Oregon, from Columbia River, click to enlarge
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Rocky Butte, Oregon, as seen from Ryan Point, Washington. Image taken June 15, 2003.


Willamette National Cemetery, Oregon ...
Willamette National Cemetery is located at the top of a Boring Lava Cone. Good views of other Boring Cones -- Mount Tabor, Kelly Butte, and Rocky Butte -- can be had (see above). Willamette National Cemetery also offers views of Portland, and the Cascade Range volcanoes such as Mount St. Helens and Mount Hood

Image, 2005, Boring Lava Field from Willamette National Cemetery, Oregon, click to enlarge
Click image to enlarge
Boring Lava Field -- Willamette National Cemetery. Image taken December 8, 2005.
Image, 2005, Boring Lava Field from Willamette National Cemetery, Oregon, click to enlarge
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Boring Lava Field -- Willamette National Cemetery. Image taken December 8, 2005.
Image, 2005, Boring Lava Field from Willamette National Cemetery, Oregon, click to enlarge
Click image to enlarge
View of Portland, Oregon, from the Willamette National Cemetery. Image taken December 8, 2005.
Image, 2003, Willamette National Cemetery, Oregon, click to enlarge
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Willamette National Cemetery, Memorial Day, 2003. Image taken May 23, 2003.
Image, 2003, Willamette National Cemetery, Oregon, click to enlarge
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Willamette National Cemetery, Memorial Day, 2003. Image taken May 23, 2003.


From the Journals of Lewis and Clark ...

Clark, April 2, 1806 ...
This morning we came to a resolution to remain at our present encampment [Cottonwood Beach, Washougal, Washington] or Some where in this neighbourhood untill we had obtained as much dried meat as would be necessary for our voyage as far as the Chopunnish. ...     about this time Several Canoes of the nativs arived at our Camp [Cottonwood Beach] among others two from below with Eight men of the Shah-ha-la Nation those men informed us that they reside on the opposit Side of the Columbia near Some pine trees which they pointed to in the bottom South of the Dimond Island [Government Island], they Singled out two young men whome they informed us lited at the Falls of a large river [Willamette Falls] which discharges itself into the Columbia on it's South Side Some Miles below us. we readily provailed on them to give us a Sketch of this river [Willamette River] which they drew on a Mat with a coal, it appeared that this river which they Call Mult-no'-mah discharged itself behind the Island we call the image Canoe island [Hayden Island], and as we had left this Island to the South both in decending & assending the river we had never Seen it. they informed us that it was a large river and runs a Considerable distance to the South between the Mountains. I deturmined to take a Small party and return to this river and examine its Size and Collect as much information of the nativs on it or near its enterance into the Columbia of its extent, the Country which it waters and the nativs who inhabit its banks &c. I took with me Six Men. Thompson J. Potts, Peter Crusat, P. Wiser, T. P. Howard, Jos. Whitehouse & my man York in a large Canoe, with an Indian whome I hired for a Sun glass to accompany me as a pilot. at half past 11 A. M. I Set out ...     at 8 miles passed a village on the South side [Chinook Landing and Blue Lake area] at this place my Pilot informed me he resided and that the name of his tribe is Ne-cha-co-lee, this village is back or to the South of Dimond island [Government Island], and as we passed on the North Side of the island both decending & assending did not See or know of this Village. I proceeded on without landing at this village. at 3 P. M. I landed at a large double house of the Ne-er-cho-ki-oo tribe of the Shah-ha-la Nation. at this place we had Seen 24 aditional Straw Huts as we passed down last fall [November 4, 1805, in the vicinity of the Portland International Airport] and whome as I have before mentioned reside at the Great rapids of the Columbia [Celilo Falls].     on the bank at different places I observed Small Canoes which the women make use of to gather Wappato & roots in the Slashes. those Canoes are from 10 to 14 feet long and from 18 to 23 inches wide in the widest part tapering from the center to both ends in this form and about 9 inches deep and So light that a woman may with one hand haul them with ease, and they are Sufficient to Carry a woman on Some loading. I think 100 of those canoes were piled up and Scattered in different directions about in the Woods in the vecinity of this house, the pilot informed me that those Canoes were the property of the inhabitents of the Grand rapids who used them ocasionally to gather roots. ...

I left them [village near today's Portland International Airport] and proceeded on on the South Side [North Portland Harbor] of Image Canoe Island [Hayden Island] which I found to be two Islands hid from the opposit Side by one near the Center of the river. the lower point of the upper and the upper point of the lower cannot be Seen from the North Side of the Columbia on which we had passed both decending and ascending and had not observed the apperture between those islands. at the distance of 13 Miles below the last village [location of Portland International Airport] and at the place I had Supposed was the lower point of the image Canoe island [Hayden Island], I entered this river which the nativs had informed us of, Called Mult no mah River [Willamette River] so called by the nativs from a Nation who reside on Wappato Island [Sauvie Island] a little below the enterance of this river. Multnomah [Willamette River] discharges itself in the Columbia on the S. E. and may be justly Said to be ¼ the Size of that noble river. Multnomah had fallen 18 inches from it's greatest annual height. three Small Islands are situated in it's mouth [Belle Vue Point and Kelley Point, on opposite sides of the mouth of the Willamette, use to be islands] which hides the river from view from the Columbia.     from the enterance of this river [Willamette River] , I can plainly See Mt. Jefferson [Mount Jefferson, Oregon] which is high and Covered with snow S. E. Mt. Hood East [Mount Hood, Oregon], Mt St. Helians [Mount St. Helens, Washington] a high humped Mountain to the East of Mt St. Helians [Mount Adams, Washington, is east of Mount St. Helens]. I also Saw the Mt. Raneer [Mount Rainier, Washington] Nearly North. Soon after I arived at this river an old man passed down of the Clark a'mos Nation who are noumerous and reside on a branch of this river which receives it's waters from Mt. Jefferson [Mount Jefferson, Oregon] which is emensely high and discharges itself into this river one day and a half up, this distance I State at 40 Miles. This nation inhabits 11 Villages their Dress and language is very Similar to the Quath-lah-poh-tle and other tribes on Wappato Island [Sauvie Island].



The Current of the Multnomar [Willamette River] is as jentle as that of the Columbia glides Smoothly with an eavin surface, and appears to be Sufficiently deep for the largest Ship. I attempted fathom it with a Cord of 5 fathom which was the only Cord I had, could not find bottom ? of the distance across. I proceeded up this river 10 miles from it's enterance into the Columbia to a large house on the N E. Side and Encamped near the house [downstream of Cathedral Park and the St. Johns Bridge, Portland, Oregon, near Portland's Terminal 4.], the flees being So noumerous in the house that we could not Sleep in it.



this is the house of the Cush-hooks Nation who reside at the falls of this river which the pilot informs me they make use of when they Come down to the Vally to gather Wappato. he also informs me that a number of other Smaller houses are Situated on two Bayous which make out on the S. E. Side a little below the house. this house appears to have been laterly abandoned by its inhabitants ...     The course and distance assending the Molt no mar R [Willamette River] from it's enterance into the Columbia at the lower point of the 3rd Image Canoe island.

[This area has changed during the past 200 years. Lewis and Clark called today's Hayden Island "Image Canoe Island". Their "3rd Image Canoe Island" however maybe in reference to the "three Small Islands are situated in it's mouth" (see journal entry above), two of the islands possibly were islands which are today's Belle Vue Point on Sauvie Island, and Pearcy Island which eventually became Kelley Point. Lewis and Clark's route map (Map#79 and Map#80, Moulton, Vol.1) shows a long "Image Canoe Island" with two small islands on the north side of "Image Canoe Island", and three small islands at the mouth of the "Multnomah R.". ]

S. 30° W. 2 Miles to the upper point of a Small Island [???] in the Middle of Moltnomar river [Willamette River]. thence

S. 10° W. 3 miles to a Sluce 80 yards wide [Multnomah Channel] which devides Wappato Island [Sauvie Island] from the Main Stard. Side Shore passing a Willow point on the Lard. Side [???].

S. 60° E. 3 miles to a large Indian house on the Lard Side below Some high pine land.

[Lewis and Clark's map plotted against an 1888 map of the area shows this location to be closer to 2 miles from the Multnomah Channel, just upstream from Portland's Terminal 4, and across from the community of Linnton.]

high bold Shore on the Starboard Side [Tualatin Mountains]. thence

S. 30° E 2 miles to a bend under the high lands on the Stard Side [St. Johns Bridge area located at the base of the Tualatin Mountains]

miles 10 passing a Larborad point [???].

thence the river bends to the East of S East as far as I could See [the stretch through Portland, Oregon]. at this place I think the wedth of the river may be Stated at 500 yards and Sufficiently deep for a Man of War or Ship of any burthern.





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*River Miles [RM] are approximate, in statute miles, and were determined from USGS topo maps, obtained from NOAA nautical charts, or obtained from the U.S. Army Corps of Engineers website, 2003

Sources: Allen, 1975, Volcanoes of the Portland Area, Oregon: State of Oregon, Department of Geology and Mineral Industries, The ORE-BIN, v.37, no.9, September 1975; Beeson and Tolan, 1987, IN: GSA Centennial Field Guide, vol.1; Center for Columbia River History website, 2005; Hitchman, R., 1985, Place Names of Washington, Washington State Historical Society; McArthur, L.A., and McArthur, L.L., 2003, Oregon Geographic Names, Oregon Historical Society Press, Portland; Norman, D.K., and Roloff, J.M., 2004, A Self-Guided Tour of the Geology of the Columbia River Gorge -- Portland Airport to Skamania Lodge, Stevenson, Washington: Washington Division of Geology and Earth Resources, Open-File Report 2004-7, March 2004. Parsons, M.E., 1982, Across Rushing Waters, A History of Washougal River and Cape Horn, Post-Record, Camas; Swanson, et.al., 1989, IGC Field Trip T106: Cenozoic Volcanism in the Cascade Range and Columbia Plateau, Southern Washington and Northernmost Oregon: American Geophysical Union Field Trip Guidebook T106.

All Lewis and Clark quotations from Gary Moulton editions of the Lewis and Clark Journals, University of Nebraska Press, all attempts have been made to type the quotations exactly as in the Moulton editions, however typing errors introduced by this web author cannot be ruled out; location interpretation from variety of sources, including this website author.
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September 2008