All schematics are preliminary except as noted.
Park Road 4 is a short roadway that was built during the depression to provide access to Longhorn Caverns State Park, also a depression-era project. Park Road 4 traverses classic hill country landscape, with live oak, scrub oak, brush, and pasture. The entrance to Longhorn Caverns state park. Some eccentrics from Austin with high-tech money recently constructed this castle replica along Park Road 4, and name it Falkenburg Castle . A roadside turn-out provides a great view of the Colorado River Valley below.