West of Casper, the Poison Spider ORV Area has 200 acres open to ATV riding.
To reach the trailhead from Casper, head west on Zero Road for 10 miles. The trailhead is actually located 7.5 miles west of SR20/26 on Zero Road. Look for the signs.
Overall, Poison Spider ATV Area is the 17th most popular ATV riding trail of all 27 ATV trails in Wyoming.