The trailhead to these wonderful little lakes is at the Jamison Mine where there are several picturesque old structures left over from the 19th century.
Length: 3.8 miles
Effort: Moderate
Hike Time: About 3 hours (one-way)
Directions: Travel up Johnsville Road (A-14) off Highway 89 in Graeagle approximately 4.5 miles to the unimproved Jamison Mine Road. Look for a sign on the left that reads Jamison Mine/Grass Lake Trail. Continue 1.5 miles to the trailhead and parking area.
The trail climbs steadily 3.8 miles to the Pacific Crest Trail past Smith Lake, Grass Lake, Jamison Lake and Rock Lake trail junctions. Continue up Little Jamison Creek you will leave the park, passing a waterfall and the east shore of Grass Lake, elevation 5,842 feet.
Dogs are allowed with leash.
