Near Stovepipe Wells. Most peo­ple think sand dunes are com­mon in the desert. They aren’t. There are two inter­est­ing areas of sand dunes in Death Val­ley. The largest is Eure­ka Dunes, acces­si­ble only to adven­tur­ous back­coun­try folks. This small­er set of dunes near Stovepipe Wells is still quite impres­sive.