How to reserve Grassy Hollow
Reservations are made on Recreation.gov. The booking window depends on the campground. Open the campground's Seasons & Fees or Seasons & Booking tab. Confirm its release date and time; there is no single rule for all Recreation.gov sites or permits.
Checked September 9, 2026 against the official reservation rules.
When your dates are full, choose your arrival and departure dates and campsite preferences. We check the booking calendar on an adaptive schedule and notify you when a check finds a match. Choose email or text for each alert; enable browser notifications separately for all your alerts.
Free while we're in beta — no credit card required. OpenCampsite sends alerts; booking and payment stay on the booking website.
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