Day - Labor Day). All that is required is a permit available at the Welcome Center/Gift Shop. The permit gives you legal access to Laurel Cave (summer months only), Horn Hollow Caves and the connected Rimstone Cave. Trails Over thirty miles of hiking trails encounter seven natural bridges throughout the park. The Cascade Trail is a three-quarter mile trail passing through Box Canyon. The Three Bridges Trail winds three and a quarter miles and includes the park's largest natural bridge, the Smokey Bridge, which stands an impressive high and wide. This trail also passes by Fern Bridge and Raven Bridge as it meanders through the park. The half-mile Natural Bridge Trail passes beneath a third natural bridge, the only one in Kentucky that is paved and supports traffic. Longer trails include the Carter Caves Cross Country Trail (The 4Cs Trail) and the Kiser Hollow multi-access trail, which parallels the 4Cs trail for a couple of miles before encircling the outer boundaries of the park's property. Smokey Valley Lake and Tygarts Creek Smokey Valley Lake is a lake within the park. Anglers will find populations of largemouth bass, bluegill, catfish, and crappie in the lake. The boat is accessible by ramp, but no gasoline motors are permitted. Ecology The cave system houses a variety of organisms including: Gallery See also List of caves in the United States References External links Carter Caves State Resort Park Kentucky Department of Parks Protected areas of Carter County, Kentucky Caves of Kentucky State parks of Kentucky Protected areas established in 1946 Show caves in the United States Landforms of Carter County, Kentucky 1946 establishments in Kentucky