Savor the experience by staying overnight at the attraction's on-site campground, which offers RV sites, glamping and cabins with gorgeous mountain views. – Korrin Bishop With more than 5 miles of ...

Located about 30 miles southeast of downtown Tucson in Vail, Arizona, Colossal Cave Mountain Park is open daily from 8 a.m. to 4 p.m. Cave tours are offered from 10 a.m. to 2 or 3 p.m. daily.