Flat Top Mountain (Oquirrh Mountains) is most commonly climbed via the South Fork Ophir Canyon — Lewiston Peak traverse. Rated 5/10 difficulty, the standard ascent typically takes 1 day, covering roughly 10 miles with 4,400 feet of vertical gain. The summit stands at 10,620 ft with 5,370 ft of clean prominence — among the most topographically significant peaks in the lower 48.
Recommended Route
South Fork Ophir Canyon — Lewiston Peak traverse
Permits & Camping
Climbing Permits
No special climbing permit is required for Flat Top Mountain, though wilderness or park entry fees may apply. Peak season runs May-October.
Season & Access
Year-round (private landowner permission required)
Safety Information
Technical Requirements
- Loose Rock Scrambling
- Exposed Scrambling
- Alpine Start
- Off-Trail Navigation
Known Hazards
- Dehydration
- Heat Exhaustion
- Lightning Exposure
- Loose Rock & Scree
- Exposed Scrambling
- Rockfall
Getting There
location_on
Flat Top Mountain · UT
Coordinates
40.0049° N, 110.9396° W
Data source: PeakList.org (elevation, prominence); PeakBagger/SummitPost (route, class, hazards, permits)