Volcanoes of the Portland Area, Oregon
From:
John Elliot 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
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Portland, Oregon, and the Boring Lava -
Location and elevation of 95 vents,
including multiple vents
-
Map No., Name, and Elevation in feet
* Top of hill in Troutdale Formation
- North of the Columbia River (17 vents)
-
- 1 .. Green Mountain - 804
- 2 .. Brunner Hill (2 vents) - 680
- 3 .. Prune Hill (West) - 555
- 4 .. Prune Hill (East) * - 610
- 5 .. Mount Norway (2 vents) - 1,111
- 6 .. Nichol's Hill - 1,113
- 7 .. Bear Prairie - 1,300
- 8 .. Pohl's Hill - 1,395
- 9 .. Bob's Mountain - 2,110
- 10 .. Bob's Mountain (South) - 1,690
- 11 .. Bob's Mountain (North) - 1,770
- 12 .. Unnamed - 2,785
- 13 .. Unnamed - 2,550
- 14 .. Mount Pleasant - 1,010
- 15 .. Mount Zion - 1,465
- West of the Willamette River (14 vents)
- 16 .. Unnamed - 455
- 17 .. Unnamed - 650
- 18 .. Unnamed - 505
- 19 .. Unnamed - 550
- 20 .. Unnamed - 565
- 21 .. TV Hill - 1,275
- 22 .. Swede Hill - 995
- 23 .. Unnamed - 974
- 24 .. Elk Point (2 vents) - 975
- 25 .. Mount Sylvania (2 vents) - 975
- 26 .. Cooks' Butte (2 vents) - 718
- East of the Willamette River and north of
Powell Valley Road (Hwy 26) (19 vents)
- 27 .. Mount Tabor * - 535
- 28 .. Rocky Butte (2 vents) - 612
- 29 .. Kelly Butte (2 vents) * - 400
- 30 .. Chamberlain Hill - 890
- 31 .. Ross Mountain - 1,380
- 32 .. Pepper Mountain (2 vents) - 2,137
- 33 .. Devil's Rest (2 vents) - 2,450
- 34 .. Larch Mountain - 4,056
- 35 .. Unnamed - 3,820
- 36 .. Palmer Peak - 4,010
- 37 .. Nesmith Point - 3,880
- 38 .. Unnamed - 1,780
- 39 .. Unnamed - 2,280
- 40 .. Walker Peak - 2,450
- 41 .. Lookout Point - 2,645
- East of the Willamette River and south of
Powell Valley Road (Hwy 26) (45 vents)
- 42 .. Powell Butte * - 560
- 43 .. Mount Scott (2 vents) - 1,095
- 44 .. Willamette National Cemetery - 910
- 45 .. Unnamed - 810
- 46 .. Scout Camp (3 vents) - 945
- 47 .. Unnamed - 866
- 48 .. Mount Talbert * - 745
- 49 .. Unnamed (2 vents) - 635
- 50 .. Unnamed - 995
- 51 .. Unnamed - 997
- 52 .. Unnamed - 925
- 53 .. Unnamed - 1,129
- 54 .. Unnamed - 1,085
- 55 .. Unnamed - 777
- 56 .. Unnamed - 877
- 57 .. Unnamed (3 vents) - 1,010
- 58 .. Unnamed - 902
- 59 .. Unnamed - 695
- 60 .. Unnamed (2 vents) - 840
- 61 .. Unnamed - 882
- 62 .. Unnamed - 575
- 63 .. Unnamed (2 vents) - 555
- 64 .. Unnamed - 830
- 65 .. Unnamed (2 vents) - 800
- 66 .. Unnamed - 825
- 67 .. Unnamed - 580
- 68 .. Unnamed - 775
- 69 .. Hunsinger Peak - 657
- 70 .. Unnamed - 885
- 71 .. Unnamed - 835
- 72 .. Unnamed - 873
- 73 .. Highland Butte (4 vents) - 1,594
- 74 .. Lenhart Butte - 2,117
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