In the early season the trail traverses a lot of wet, boggy area. Things usually dry out quite nicely by late July. This trail is obscure and hard to follow but offers a more challenging loop opportunity to Wheeler Lake and back to Sandy Meadow. Mokelumne Wilderness destinations include Wheeler Lake, Frog Lake, Jackson Canyon, and the Mokelumne River. Mosquito Lakes Trailhead Located at the west end of Mosquito Lakes on the south side of Highway 4, approximately 8 miles from Lake Alpine.
Parking is limited, and gets full on busy weekends.
The trail leads to Heiser and Bull Run Lakes. These are both small shallow alpine lakes - more correctly glacial tarns. Both lakes are popular Carson-Iceberg Wilderness destinations. The trail to Heiser Lake is approximately 2.5 miles, with varied topography and some steep pitches. It is another 2 miles to Bull Run Lake.