The trail contours into Basin Gulch beneath vertical layers of sedimentary rock. The avalanche debris piled up below the trail is impressive, giving one a sense of the power that the slides have that roar down this face. Several short and steep switchbacks, and a long contour beneath the imposing northeast face of Otto's Peak, lead to a nice viewpoint offering a stunning perspective of the Pioneer Mountains.
The informal viewpoint is a good place to turn around if you are approaching the trail as an out-and-back. If you have a shuttle-vehicle parked at the bottom, or are riding a bike, continue on your long outing.
Beyond the unmarked viewpoint the trail crosses Rock Roll Canyon via a narrow, steep, side-hill trail that may make some trail users a bit nervous. Round a shoulder into a sub-bowl and watch for two faint switchbacks that lead to a talus covered shoulder. Beyond the shoulder the trail traverses down and across several bowls and ridges to reach a stand of trees at the south saddle of Otto's Peak.
At this saddle, the High Ridge Trail #124 enters the trees, then breaks into a small grassy and sagebrush filled opening where the trail gets faint. There is a small "TRAIL" sign screwed to a small tree. The sign includes an arrow pointing toward the trail. At this saddle, and forest opening, some game trails meet the High Ridge Trail. Follow the sign and arrow and stay to the right/northwest as you are descending to skirt the side of the grassy forest opening. Descend as the trail bends more to the north, descends through some trees, then takes you back out into the open to a view of the head of the drainage that you will be dropping down as you continue descending on the #124 Trail into Lake Creek.
To help you with orientation here, consider that this saddle is the point where the High Ridge Trail crosses over from the more south facing Trail Creek drainage side, to the more north facing Lake Creek drainage side. Some have missed the trail here as they descend because the game trails that continue along the south facing Trail Creek side of the ridge here look pretty significant, but be careful as they don't lead out to anything but a scratchy death march.
After descending past the saddle the trail meets some ill-maintained switchbacks. Compounding route finding are many game and sheep trails etched into the hillside. There are several ways down where old trails have been abandoned and new trails built, only to have sections of the newer trails becoming overgrown with time, lack of use and maintenance. To say that some route finding and backtracking may be needed to stay on course would be an understatement, so take your time and look behind you from time to time. Not being in too big of a hurry, and taking a look around and behind you from time to time can help you stay oriented. Doing so will give you a glimpse of some of the alternate routes that you may have missed as you first passed them.
The singletrack trail leads down to an old logging/mining road and a more gradual descent to the bottom of the Lake Creek side of the trail.
Directions:
Lake Creek Side: Travel north from Ketchum on Highway 75 for about 3.5 miles to the paved Lake Creek Drive on the right/east. Proceed slowly and safely through the subdivision and continue up the road after it turns to dirt/gravel. The Lake Creek lake/pond and picnic area is about 3.5 miles up the dirt road, and the trail is about another 1.5 miles higher up than that. The trail is marked with a wooden forest service trail sign, but it blends into the background and is kind of hard to see as you are climbing up the road. Look for it on the right as you are climbing and getting near the top of the road.
Trail Creek/Park Creek Side: Travel northeast on Sun Valley Road/Trail Creek Road to Trail Creek Summit (12.3 miles). This is a steep gravel road that leaves some drivers and passengers feeling nervous due to the sheer drop-off to the north side of the road. The road is a maintained county road, but can it can get rough as the season progresses. It is usually passable in dry weather by most cars and trucks. Once at the summit, continue along the road for another mile to Park Creek Road/FS Road 140 on the left/west. Drive up Park Creek Road for 1.2 miles to the parking area for the High Ridge Trail on the left.
*For more detailed descriptions, topo maps, and information on the history, geology, and wildflowers of the Wood River Valley pick up a copy of Exploring Sun Valley online or find it at one of several local shops.