Booking rules by state
The Mid-Atlantic, state by state
Five agencies, five booking windows. Here's the one-line version of each, with the source.
- New York
State Parks campgrounds open 9 months ahead, one day at a time.
NY State Parks: Reservation Information & Rules, checked November 2, 2026
- Pennsylvania
Most state park and state forest overnight stays can be booked up to 11 months ahead.
PA DCNR: Overnight Reservation Prices and Policies, checked November 2, 2026
- New Jersey
Campsites can be booked up to 11 months ahead. Advance bookings are online only, at camping.nj.gov.
NJ State Parks: Round Valley Recreation Area (camping), checked November 2, 2026
- Maryland
Campsites open 365 days before your arrival date, at 9 a.m. on every day the call center is open.
Maryland DNR: Maryland State Park Reservation Service, checked November 2, 2026
- Delaware
Campsites open on the same date one year before arrival.
Delaware State Parks: Reservation Information, checked November 2, 2026
Sources
- NY State Parks: Reservation Information & Rules, checked November 2, 2026.
- PA DCNR: Overnight Reservation Prices and Policies, checked November 2, 2026.
- NJ State Parks: Round Valley Recreation Area (camping), checked November 2, 2026.
- Maryland DNR: Maryland State Park Reservation Service, checked November 2, 2026.
- Delaware State Parks: Reservation Information, checked November 2, 2026.
Rules change. Always confirm on the official site before you rely on a date.