🌤 Weather at Washmorgan Hollow State Natural Area by season
| Spring | Summer | Fall | Winter |
|---|---|---|---|
| 36–73 °F | 60–82 °F | 36–78 °F | 27–49 °F |
Each range runs from the coldest monthly average low to the warmest monthly average high in that season (1991-2020 climate normals), measured at Allardt, 9 mi away, elevation 1,645 ft. Conditions at the park can differ from the station, especially where elevation differs — check a forecast before you go.
🏆 Cumberland Plateau Hollow — Sheltered hollow with old-growth forest and stream habitat
Washmorgan Hollow State Natural Area preserves a sheltered hollow on the Cumberland Plateau with old-growth forest and pristine stream habitat. The hollow’s protected microclimate supports large hardwoods and diverse woodland wildflowers.
Visitor Information
| Detail | Information |
|---|---|
| Location | Cumberland Plateau, TN |
| Entry Fee | Free |
| Habitat | Old-growth hollow forest |
Frequently Asked Questions
What wildlife lives here?
Cumberland Plateau hollows support black bear, white-tailed deer, wild turkey, and diverse songbird communities. The clean streams host salamanders and native brook trout.
About Washmorgan Hollow
Washmorgan Hollow State Natural Area in Grundy County protects a forested hollow on the Cumberland Plateau — one of the most geologically and biologically significant landscapes in the Southeast. The hollow’s sheltered microclimate supports rich cove forest with diverse wildflowers and old-growth characteristics.
Washmorgan Hollow State Natural Area in Sequatchie County protects a deep forested hollow on the Cumberland Plateau near the Sequatchie Valley — a 60-mile-long, straight-as-an-arrow valley formed by the erosion of an anticline (an upward fold in rock layers). The Sequatchie is one of the most geologically striking valleys in the eastern United States, and the hollows draining into it support exceptionally rich biodiversity.
Things to Do
Hiking through the forested hollow, spring wildflower viewing, birdwatching, and experiencing the rich biodiversity of the Cumberland Plateau cove forests.
Hiking through the deep hollow, studying the unique anticlinal valley geology, wildflower viewing, birdwatching, and exploring the remarkably straight Sequatchie Valley from above.
More parks nearby: Coldiz Cove State Natural Area is a short drive away, while Stinging Fork Falls State Natural Area lies a short drive away.
🌲 Visit Washmorgan Hollow SNA
Sheltered Cumberland Plateau hollow — old-growth forest and pristine streams.
🐾 Dogs & Pets at Washmorgan Hollow State Natural Area
- Pets allowed? statewide rule
- Dogs, cats and other pets are permitted in Tennessee State Parks, including all campgrounds, if leashed, crated or otherwise under physical restrictive control at all times.
- Leash rule statewide rule
- 6 ft physical leash required; pets must not be left unattended
- Beaches & swim areas statewide rule
- Pets are prohibited on designated swimming beaches and at pools at all times
- Cabins & lodging statewide rule
- Pets prohibited in park lodges and cabins except designated pet-friendly units; each park offers a limited number of pet-friendly lodge rooms and one pet-friendly cabin ($20 per pet per night)
- Pet fees statewide rule
- No day-use or campground pet fee; $20 per pet per night in designated lodge rooms/cabins
- Statewide exceptions statewide rule
- Park management may post additional no-pet areas on trails; proof of rabies vaccination may be required
Are dogs allowed at Washmorgan Hollow State Natural Area?
Dogs, cats and other pets are permitted in Tennessee State Parks, including all campgrounds, if leashed, crated or otherwise under physical restrictive control at all times. Individual parks can post stricter rules — check signage on arrival.
Rules verified July 2026 via tnstateparks.com. More: Tennessee state parks guide · Dog rules in all 50 states compared
Park Location
Plan your gear for Washmorgan Hollow State Natural Area
From our editorial guides, matched to this park’s activities:
