16782 245th Ave NW, Big Lake, Minnesota 55309

From Zimmerman, take Sherburne Co. 4 (W) 6 mi. to 168th St.; turn left (S)and follow signs. Bob Dunn Horse Campground is 0.5 mi. (W) of Ann Lake campground on North Sand Dunes State Forest Rd., Zimmerman, Minnesota 55309

From Zimmerman, take Sherburne Co. 4 (W) 6 mi. to 168th St.; turn left (S)and follow signs 1.5 mi., Zimmerman, Minnesota 55309