Lake Augusta (Washington)

Because of its close proximity to Icicle Ridge Trail, the lake is a popular area for hiking, swimming, and fishing cutthroat trout.

[5] Lake Augusta sits on the south skirt of Big Jim Mountain, consisting of rocky soils of intrusive rock geology.

The west hills of Big Jim Mountain surrounding Lake Augusta grow tonalite and granodiorite corona-bearing dikes.

Coarse phenocrysts of igneous feldspar with a high calcium content are locally preserved in Lake Augusta.

[4] Self-issued Alpine Lake Wilderness permit required for transit within the Grindstone Mountain area and can be obtained at the Chatter Creek Trailhead and the Campground past the Guard station.

[4] Icicle Ridge is also intersected by Hatchery Creek Trail #1577 a short distance from Lake Augusta coming from the north.

The Hatchery Creek Trailhead is approximately 6 miles from the Icicle Ridge Junction and is located West of Tumwater Campground as Highway 2 crosses over Wenatchee River, south of Chiwaukum, Washington.