Overview
Goat Lake sits in the southeastern portion of the Sawtooth Wilderness, accessed from the Alturas Lake corridor rather than the more congested Stanley-area trailheads. The 10-mile round-trip with 2,300 feet of gain is comparable in effort to the Sawtooth Lake Trail, but delivers a noticeably wilder and quieter experience. The drainage sees fewer visitors than the northern approaches, and the lake basin retains a quality of solitude that the most popular Sawtooth destinations can only offer on weekday mornings.
Rocky Mountain goats are a genuine attraction here. The rocky ridges surrounding the lake provide classic goat habitat, and patient hikers who scan the upper terrain with binoculars will frequently spot these animals. The goats are white against gray granite, making them easier to see than most mountain wildlife when the light is right.
The trail itself follows a reliable path through lodgepole and spruce forest before breaking into the open rocky terrain of the upper basin. The lake, sitting at approximately 9,200 feet, is framed by Sawtooth granite walls on its western and southern sides and opens to the east with a view across the basin floor.
Sawtooth National Forest protects this entire watershed. The southern Sawtooths receive slightly less snow than the northern range, which means this trail may become accessible slightly earlier in the season than comparable routes near Stanley.
The Route
Miles 0 to 2.5: Forest Approach
The trail begins at roughly 6,900 feet and climbs gradually through lodgepole pine forest along the Goat Lake Creek drainage. The lower section is the most forested part of the route, with the creek audible to the south and the terrain presenting nothing technically demanding. The path is well-worn and marked with occasional wooden trail signs.
Several side streams cross the trail in the lower section, providing reliable water sources through most of the season. The forest in this section includes mature Engelmann spruce and some Douglas fir, giving it a varied texture compared to the more uniform lodgepole stands near the main highway trailheads.
Miles 2.5 to 4.5: Rocky Transition
Above mile 2.5, the forest gives way to open rocky terrain as the trail gains altitude rapidly. The Sawtooth ridgeline comes into view to the west, and the scale of the remaining climb becomes apparent. The path crosses a series of rocky benches before entering the final push toward the lake basin headwall.
Wildflowers in this middle section include large patches of Indian paintbrush, yarrow, and mountain aster. Marmots are commonly seen on the boulder piles at the edge of the tree line, and their alarm calls often announce hikers passing through.
Miles 4.5 to 5.0: Lake Basin
The final half-mile tops a rocky headwall and descends briefly to the lakeshore. The lake is about a quarter mile across and backed by steep granite walls on the west side. Rocky Mountain goats sometimes appear on these walls during early morning and late afternoon hours.
When to Visit
July through September. The Alturas Lake drainage typically clears of snow slightly earlier than the more northern Sawtooth drainages, and this trail is often passable by early July in normal years. September is excellent for solitude and cooler temperatures.
What to Bring
Many hikers on this trail carry:
- 2-3 liters of water; the creek provides sources in the lower and middle trail, but the upper basin can be dry late in the season
- A water filter or treatment tablets
- Binoculars for goat spotting on the upper ridges
- Wind and rain layers for the open upper basin
- Trekking poles for the rocky middle section
- Sun protection
Individual needs vary based on conditions and the time of year.
Practical Details
No permit is required as of 2026. The trailhead has no facilities. Cell service is absent throughout. Dogs are permitted but must be under voice control in the wilderness.
Leave No Trace principles apply throughout the route, including proper food storage for overnight visitors. Learn about bear canisters if planning to camp at the lake.
Getting There
From Stanley, drive south on Highway 75 approximately 13 miles to the Alturas Lake Road. Turn right (west) and follow the dirt road approximately 4 miles toward the trailhead. The final approach to the Goat Lake Trailhead branches off before the main Alturas Lake campground. Signage marks the junction. Allow approximately 1 hour from Stanley to the trailhead.