This lake is located in Section 24, T39N, R5W. Drive to Castle Lake, about 11 miles from the town of Mt. Shasta, on the paved Castle Lake Road, which is usually open on Memorial Day. From Castle Lake, go about a mile south, then there is a faint trail southwest to Heart Lake.

Fair fishing for small Brook Trout. The lake sometimes freezes, which can kill the fish. There is a very small pond on the west side of this lake. The lake is on National Forest land in the Castle Crags Wilderness.