Table Mountain (Skamania County, Washington)

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Table Mountain
Table Mountain 2634s.JPG
South face of Table Mountain and Columbia River from John B. Yeon State Scenic Corridor
Highest point
Elevation 3,417 ft (1,042 m)  NGVD 29[1]
Prominence 377 ft (115 m) [1]
Coordinates 45°41′26″N 121°59′01″W / 45.690672°N 121.983694°W / 45.690672; -121.983694Coordinates: 45°41′26″N 121°59′01″W / 45.690672°N 121.983694°W / 45.690672; -121.983694[2]
Location Skamania County, Washington, U.S.
Parent range Cascade Range
Topo map USGS Bonneville Dam
Mountain type Basalt

Table Mountain is a peak rising on the north side of the Columbia River in Washington state, about 4 miles (6.4 km) north-northwest of Bonneville Dam. It is one of the most spectacular landmarks of the Columbia River Gorge. Its southeast face drops 2,400 feet (730 m) in less than one horizontal mile (1.6 km.), and is topped by an almost vertical 800-foot (240 m) cliff.[3] Table Mountain is joined by the similar Greenleaf Peak to the northeast, and also by Hamilton Mountain to the southwest, which is lower, (2,438 ft or 743 m), but similarly steep and much closer to the Columbia. Together these peaks form an impressive group on the Washington side of the Gorge.

Sometime between 1060 and 1760 AD the south side of Table Mountain sheared off and dammed the Columbia River in an event known as the Bonneville Slide.[4] The river soon carved a new bend around to the south, but for a while Native Americans living in the area could walk across. This led to the legend known as the Bridge of the Gods.[5]


  1. ^ a b "Table Mountain, Washington".
  2. ^ "Table Mountain". Geographic Names Information System. United States Geological Survey.
  3. ^ "Table Mountain" (map).
  4. ^ Reynolds, Nathaniel D. (December 2001). "Dating the Bonneville Landslide with Lichenometry" (PDF). Washington Geology. 29 (3/4): 11–16. Retrieved 2009-09-07.
  5. ^ "Great Cascadia Earthquake Penrose Conference". U.S. Geological Survey. Archived from the original on 2008-09-06. Retrieved 2011-10-24.

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