Tom’s Thumb Trailhead to Lookout Mt. Fitness Hike This Very Difficult hike has a steep trail with amazing rock formations. For Experienced hikers.  5.8 miles including a 1,200 ft. elevation gain over about 3.5 hours. Bathrooms available at the trailhead. Bring water and snacks for the trail. No dogs please.  Arrive 15 minutes before start of hike.