Home Visit Clayton Valley Sand Dunes Clayton Valley Sand Dunes Clayton Valley Sand Dunes was designated as a SRMA in the Tonopah RMP and ROD. The site is closed to competitive recreational events. OHV use is limited to existing roads and trails. OHV use on un-vegetated sand areas is allowed. Phone 775-482-7800 Email firstname.lastname@example.org Activities CAMPING OFF HIGHWAY VEHICLE Directions Travel SR 265 to Silver Peak continue on the road past the industrial plant, continue down the Oasis Divide Road for approximately 6.3 miles, Dunes are located on the right.