Barney Lake is located east of Marysvale on the Marysvale Peak on Monroe Mountain. Situated at 10,121 ft, the secluded Barney Lake is one of the most beautiful hidden treasures the area has to offer.

Visitors can access the The reservoirs shoreline is publicly owned and administered by the Fish Lake National Forest with unrestricted public access. There are no recreational facilities at the lake, although the area offers itself to primitive camping.