Mount Jefferson - Hike near Island Park, Idaho
Mount Jefferson, Idaho 83429, USA,Island Park,Idaho
44.554118858195615, -111.44516774294277
9.7 miles N of Island Park, Idaho
Address: Mount Jefferson, Idaho 83429, USA
GPS: 44°33'14.8"N 111°26'42.6"W
Maps | Directions
State: Idaho

Hike

Mount Jefferson, at 10, 203 feet is the highest point in the Centennial Mountains, a small, local range on the border of Idaho and Montana a little west of Yellowstone. These mountains consist of a long ridge line the forms the Continental Divide between the headwaters of the Snake River and Jefferson River, which is primary headwater stream of the Missouri River. The summit area is composed of two primary ridge points with a lower point in between and a high ridge point to the east. The west ridge point is 10,161 feet, the smaller central point is approximately 10,140 feet and the separated eastern point is about 9,800 feet. Courtesy of summitpost.org

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Be courteous, informed, and prepared. Read trailhead guidelines, stay on the trail, and don’t feed the wildlife.

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  1. Plan Ahead and Prepare
  2. Travel & camp on durable surfaces
  3. Dispose of waste properly
  4. Leave what you find
  5. Minimize campfire impacts
  6. Respect wildlife
  7. Be considerate of other visitors

Directions

From Island Park, Idaho

  1. Head north on US-20 E toward Forest Rd 139 (7.1 mi)
  2. Turn left onto Sawtelle Peak Rd
    Destination will be on the left
    (9.7 mi)
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Guest Review/Comments

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endovereric

7/8/18 1:11 pm 7/7/18
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Mount Jefferson from the saddle Mount Jefferson from the saddle
First Look at the Summit First Look at the Summit Mount Jefferson from slope of next peak north Mount Jefferson from slope of next peak north Final Ascent Final Ascent Hiking Along The Ridge Hiking Along The Ridge

Trails

Distance ?

7.6 miles Round Trip

Elevation Gain ?

1,086 feet

Real Ascent ?

1,699 feet

Real Descent ?

613 feet

Avg Grade (3°)

6%

Grade (-13° to 24°)

-23% to 45%

Elevation differences are scaled for emphasis. While the numbers are accurate, the cut-away shown here is not to scale.

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