New Hampshire
Greenfield State Park
Verified by America’s State Parks Editorial Team – Updated February 2026
Greenfield State Park is New Hampshire’s largest campground—255 sites on scenic Otter Lake. Reopened June 2025 after major renovations!
Camping
| Site Type | Price/Night |
|---|---|
| 🏕️ Primitive Sites | $29 |
| ⚡ Water + Electric | $45 |
| 🏠 Adirondack Shelters | Group (up to 10) |
| 📅 Reservations | 11 months ahead |
✨ June 2025: Park REOPENED after major renovations! New underground utilities, repaved roads, upgraded bathhouses, new dump station.
Otter Lake Beach
Picnic Beach with swimming, playground, kayak/canoe rentals. No lifeguards—swim at own risk. No pets at beach!
FAQ
Is Greenfield the largest NH campground?
Yes! With 255 sites, Greenfield is the largest campground in the New Hampshire State Park system.
🏕️ New Hampshire’s Biggest Campground
Reserve at NH State Parks.
Last updated: February 20, 2026