Banner Creek Summit

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Banner Creek Summit is a mountain pass in central Idaho, at an elevation of 7,037 feet (2,145 m) above sea level on State Highway 21, the Ponderosa Pine Scenic Byway. It is located on the border of Custer County and Boise County, also the border of the Challis and Boise National Forests, immediately northwest of the Sawtooth Range.[1][2][3]

Banner Creek Summit
A map of Idaho showing the location of Banner Creek Summit
A map of Idaho showing the location of Banner Creek Summit
Elevation7,037 ft (2,145 m)
Traversed by SH-21
LocationBoise County / Custer County, Idaho, U.S.
RangeSalmon River Mountains
Coordinates44°18′26″N 115°14′00″W / 44.307222°N 115.233333°W / 44.307222; -115.233333Coordinates: 44°18′26″N 115°14′00″W / 44.307222°N 115.233333°W / 44.307222; -115.233333
Topo mapUSGS Banner Summit

Banner Creek Summit also marks the divide between the Salmon River and Payette River drainage areas. The highway follows Banner Creek, a tributary of the Middle Fork of the Salmon River, on the north side of the summit, and Canyon Creek (South Fork - Payette River) on the south side.

In road distance, the summit is about midway between Stanley and Lowman. This section of SH-21 is usually not maintained during the winter months, due to light traffic and heavy snowfall.


  1. ^ "Banner Creek Summit". Idaho Transportation Department. Archived from the original on December 26, 2014. Retrieved January 14, 2013.
  2. ^ "National Elevation Dataset". USGS. Retrieved January 14, 2013.
  3. ^ Banner Summit (Map). 1:24000. USGS 7.5'. USGS. 1972.

External linksEdit