About Dunbar Cave State Park
Dunbar Cave State Park is a protected area centered on a limestone cave near Clarksville, Tennessee, preserving natural cave features and archaeological resources. The cave has been an object of local interest for both its geology and its evidence of prehistoric human activity.
The cave contains a large entrance chamber and passages that were developed for public access in the 20th century, and the park includes trails and picnic areas on the surface. Interior features and archaeological deposits in the cave have been documented by researchers.
The site has been used by people for many centuries and later operated as a show cave with managed visitor access; conservation and safety measures influence current access policies. The surrounding parkland provides short walks and interpretive information.
Dunbar Cave sits on the outskirts of Clarksville in Montgomery County, Tennessee, within the Cumberland Plateau/Highland Rim transition near local road access.
- Archaeology: The site contains archaeological evidence of prehistoric human use; artifacts and markings inside the cave attest to long-term human presence.
- Tours and access: Public cave tours have been offered historically but may be subject to seasonal closures and conservation restrictions, so check current park status before visiting.
What to See#
- Cave entrance and chambers: The limestone cave itself, including the main entrance chamber and inner passages that were historically shown to the public.
- Park trails and visitor area: Park grounds with trails, picnic areas and a visitor area near the cave entrance managed by the state park authority.
Best Time to Visit Dunbar Cave State Park
Best visited in spring or fall for comfortable hiking and when interpretive cave programs are most likely to run.
Weather & Climate near Dunbar Cave State Park
Dunbar Cave State Park's climate is classified as Humid Subtropical - Humid Subtropical climate with hot summers (peaking in July) and cold winters (coldest in January). Temperatures range from -4°C to 32°C. Abundant rainfall (1297 mm/year), wettest in March, distributed fairly evenly throughout the year.
| Month | Comfort | Temp | Feels | Rain | Sky | Humidity | Wind | UV | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | - | -4° - 7° | -3° | 98 mm | - | - | 3.7 m/s | - | - |
| February | - | -2° - 10° | 1° | 107 mm | - | - | 3.7 m/s | - | - |
| March | - | 3° - 16° | 7° | 135 mm | - | - | 3.9 m/s | - | - |
| April | - | 7° - 21° | 14° | 111 mm | - | - | 3.7 m/s | - | - |
| May | - | 12° - 26° | 19° | 124 mm | - | - | 3.1 m/s | - | - |
| June | - | 17° - 30° | 24° | 107 mm | - | - | 2.7 m/s | - | - |
| July | - | 20° - 32° | 26° | 109 mm | - | - | 2.4 m/s | - | - |
| August | - | 19° - 32° | 25° | 87 mm | - | - | 2.2 m/s | - | - |
| September | - | 15° - 28° | 22° | 92 mm | - | - | 2.4 m/s | - | - |
| October | - | 8° - 22° | 15° | 83 mm | - | - | 2.7 m/s | - | - |
| November | - | 3° - 16° | 7° | 116 mm | - | - | 3.3 m/s | - | - |
| December | - | -2° - 10° | 1° | 128 mm | - | - | 3.6 m/s | - | - |
How to Get to Dunbar Cave State Park
Dunbar Cave State Park is reached from Clarksville, TN. From downtown Clarksville, take TN-12 (Fort Campbell Blvd) west to New Providence Blvd, then follow local roads to Old Dunbar Cave Road and the park entrance; the drive is about 15-20 minutes. The park is best accessed by car; limited local transit serves the city but not the park itself.
Tips for Visiting Dunbar Cave State Park
- Check the Tennessee State Parks page for seasonal cave tour dates and restrictions - tours may be canceled for bat hibernation or conservation work.
- Arrive early on weekends; the small parking lot fills and visitors often have to wait for a shuttle or a spot on Old Dunbar Cave Road.
- Bring a flashlight if exploring trails near the cave entrance - the trail surface is uneven and can be muddy after rain.
- The interpretive exhibits at the visitor center are brief; if interested in natural history, ask a ranger about the cave's swifts and bat records.
