Northwest of Las Vegas and southeast of Beatty, the Amargosa Big Dune is a 5 square mile dirt biking playground which has mainly been a local secret. The dunes consist of crushed grains of feldspar and quartz. There are numerous small washes to explore.
To reach the trailhead from Las Vegas, head north on US95 into Amargosa Valley. Turn west on Valley View Road for 2 miles. Turn onto dirt road leading to dunes which are just north of Amargosa Valley.
Overall, Amargosa Big Dune is the 24th most popular dirt bike trail of all 29 dirt biking rides in Nevada.