Real-time availability & pricing · book instantly in the Camp Roostly app
Big Mouth Cave Retreat in Pelham, Tennessee, offers 59 RV sites, eight cabin and house units, and 10 glamping sites on the Cumberland Plateau — a seven-minute walk from The Caverns, the underground music venue. Restrooms, showers, and cabins serve guests at 444 Charlie Roberts Road in Grundy County. Fifty-nine sites are available alongside eight cabins and houses and 10 glamping sites.
Amenities
Pet friendly
Working remotely here
📶 Cell — Verizon Predicted · FCC3/5
📶 Cell — AT&T Predicted · FCC3/5
🛰️ Starlink sky-viewGood — mostly open sky
✅ Work-readiness verdictWorkable with caveats (57/100)
Predicted coverage is a modeled FCC estimate; camper reports refine it over time. Full per-carrier detail is in the Camp Roostly app.
Booking happens in the Camp Roostly app via our Spot2Nite reservation partner. Camp Roostly may earn a commission at no extra cost to you.
Frequently asked
How do I book Big Mouth Cave Retreat?
You can reserve a site at Big Mouth Cave Retreat online through the Camp Roostly app — it shows real-time availability and pricing from the park and lets you book instantly, no phone call required. Open the park in the app and tap “Book with Spot2Nite.”
Does Big Mouth Cave Retreat have hookups?
Hookup type varies by site at Big Mouth Cave Retreat. Camp Roostly shows each available site's exact hookups (electric, water, sewer) and real-time pricing when you open the park in the app to book.
Can you work remotely from Big Mouth Cave Retreat?
It scores 57/100 on Camp Roostly's work-readiness score. Starlink sky-view: good — mostly open sky. Predicted cell coverage: Verizon 3/5, AT&T 3/5 (from FCC mobile-coverage data — a modeled estimate). Check the signal on the park's page before you rely on it for calls.
Where is Big Mouth Cave Retreat located?
Big Mouth Cave Retreat is in Pelham, Tennessee. You can map it, build a rig-safe route to it, and book it in the Camp Roostly app.
Check availability & book →
Camp Roostly