Hike to the only tin mines ever in the USA.
From the trailhead, climb to the top of the concrete dam. Turn south (left) on the dam and follow the trail right to the bottom of the dam. Turn north and follow the trail 0.15 miles north until you see a gate directly to your left. Turn west (left), proceed past the gate, pick up the jeep road curving north-west, and follow this road all the way to the junction at 2.75 miles. From the junction, turn south (left) for the south mne and smelter. (Follow the narrow trail west past the mine for the entrance.) Proceed straight ahead and curve north to the north mine. (Follow stairs down below the mine for the lower entrance.) Bring a flashlight.
From the Junction of Loop 375 (Trans Mountain Road) and U.S. Hwy 54 (Patriot Freeway) go north 1.65 miles to the junction of Farm Road 3255 (War Hwy). Turn left on 3255 and go north 0.5 miles to Jon Cunningham. Turn left on Jon Cunningham and go to Chuck Heinrich park at the end of the road. Park in the lot. The hike starts at the posts.
Texas Parks and Wildlife, Franklin Mountain State Park. (915) 566-6441