West of Casper, the Poison Spider ORV Area has 200 acres open to OHV routes.
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 OHV Area is the 7th most popular OHV & 4wd jeep trail of all 8 OHV routes in Wyoming.