Overview
In Greek Mythology, Pegasus is the winged horse that was fathered by Poseidon with Medusa. The horse later flew into the heavens and became a constellation. It has been said the peak was named for its resemblance to the mythological beast.
resemble a Flying horse??
A complex peak in the Pioneer range, Pegasus ranks as the 29th highest in Idaho, its rarely visited summit towers over Surprise valley, a high-elevation, glacially-formed, hanging valley. The valley is perched about 1,000 feet above the main Fall Creek drainage and is a, must see for anyone hoping to wander far from the things of man.
Surprise valley rim from the summit Fall Creek area Topo
The peak is located 2.3 miles North of Standhope peak and 2 miles south/south west of Big Black Dome. Approach the mountain from Fall Creek Trail head. Immediately cross the bridge over Fall Creek at the parking area, hike 3.5 miles until the trail forks, take the left fork and immediately start up a long series of short switch backs, that takes you to the mouth of Surprise valley, follow the trail to the small alpine lake and turn west, (left) start the long snow climb up the large draw, or follow the class 3 broken ridge on decent rock.
Part of the Ridge route on the west side of the mountain Left Fork of Fall Creek from the top
An alternate route follows the fall creek trail for approximately 2.3 miles to the Left Fork of Fall Creek. Follow the Left fork trail for about 2 miles. At the 8,900’ contour, Leave the trail and continue up the left fork for another 2.4 miles. (you’ll have the Awesome north face of Pyramid Peak in your cross-hairs and may be tempted to get a 'probable' first ascent) Ascend the class 3, east facing ridge to the top.
Getting There
From Mackay: Take US Highway 93 16 miles north of Mackay to the Trail Creek Road. Turn left on the Trail Creek Road. Follow this road 18 miles to the Copper Basin Road. Turn left on the Copper Basin Road. Follow this road 2 miles to the Wildhorse Creek Road. Stay to the right on the Wildhorse Creek Road. Follow the Wildhorse Creek Road 3.5 miles to the Fall Creek Road. Turn left on the Fall Creek Road and follow it 1.5 miles to the trailhead.
From Challis: Take US Highway 93 south of Challis to the Trail Creek Road. Turn right on the Trail Creek Road. Follow this road 18 miles to the Copper Basin Road. Turn left on the Copper Basin Road. Follow this road 2 miles to the Wildhorse Creek Road. Stay to the right on the Wildhorse Creek Road. Follow the Wildhorse Creek Road 3.5 miles to the Fall Creek Road. Turn left on the Fall Creek Road and follow it 1.5 miles to the trailhead.
From Sun Valley/Ketchum: Take Highway 75 (main street) to Sun Valley Road. Turn northeast onto the Sun Valley Road. This road turns into Trail Creek Road (closed in winter). Follow this road to the Copper Basin Road
Turn right on the Copper Basin Road. Follow this road 2 miles to the Wildhorse Creek Road. Stay to the right on the Wildhorse Creek Road. Follow the Wildhorse Creek Road 3.5 miles to the Fall Creek Road. Turn left on the Fall Creek Road and follow it 1.5 miles to the trailhead.
Red Tape
No Red tape in the Salmon Challis N.F and please don't leave any.
Camping
Dispersed camping at the trail head with a Handicap accessible toilet and several free sites in Wildhorse canyon.
There is a developed camp ground: Wildhorse campground, located 2.4 miles above the Fal Creek trailhead with the following;
Water: Creek Water
Number of Units: 12
Water: 2 hand pumps (water is only available during the summer months)
Toilets: 2
Fee: $5.00/night
Other Facilities: one group site
Elevation: 7,400 feet
Setting: wooded
General Season of Use: early June through mid October
Elevation: 7,200 feet
General Season of Use: mid June through mid October
Nearby Areas of Interest: Waterfall Trail and Fall Creek Falls, mountain lakes in Fall Creek, Boulder Creek, and the head of Wildhorse Canyon, historic Wildhorse fire lookout and Wildhorse mines.
External Links
Idaho-a-climbing-guide
Idahosummits.com
Salmon-Challis-forest
Climate
The Pioneer Mountains are affected by two basic storms patterns: low altitude cyclonic storms from the Pacific Ocean in the winter and high altitude convectional storms from the Gulf of Mexico and the California coast in the late spring. The area has two wet seasons, winter and late spring. Approximately 60 to 70 percent of the precipitation falls as snow.
Pegasus peak Images