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Jaffrey · Mountain hikes

Monadnock State Park

Hike trails through protected highlands toward Mount Monadnock's open, rocky summit, or explore lower routes around Gilson Pond.

Before you go

Reserve the correct trailhead: parking fills and visitors without reservations can be turned away. Summit trails are steep and rugged. Winter requires appropriate skills and equipment. Pets are prohibited throughout the park.

Published trail distance
Depends on the chosen route
Terrain
Varies by trail; summit routes include steep and rugged terrain
Elevation gain
Not recorded; check the trail guide

Source reviewed 2026-10-16. Opening hours, admission, accessibility, and availability need confirmation for your visit.