Mason Valley WMA Access provides public access to 17,742 acres of wildlife habitat in Lyon County with multiple fishable waters including the Walker River, North Pond, Bass Pond, and Crappie Pond open for fishing from mid-February through September 30.

The area offers designated camping sites and boat access to several ponds, though vessels are restricted from mid-February through mid-August on most waters except Hinkson Slough, Bass, Crappie, and North Ponds, where boats must maintain flat-wake speeds not exceeding 5 nautical miles per hour.