Coleman State Park
Coleman State Park is a remote, forested park in the North Country centered on Little Diamond Pond. It offers camping, boating, fishing, and quiet recreation in a scenic mountain setting, with a rustic atmosphere that appeals to visitors seeking a peaceful outdoor getaway.
Free
Visiting with Dogs
Dogs allowed on leash; keep under control, clean up waste, and follow posted area restrictions.
Visitor Tips & Reviews
What Visitors Say
Quiet, scenic lakeside camping with clean sites, friendly staff, great fishing, and peaceful hiking. Visitors love the natural setting, family-friendly atmosphere, and relaxing getaway feel.
Tips from Visitors
- Bring bug spray for summer hikes and camping.
- Check trail conditions after rain; some paths get muddy.
- Pack water and snacks; services may be limited.
- Reserve campsites early during peak weekends and holidays.
- Dress in layers; weather changes quickly in the mountains.
Best Time to Visit
The best time to visit Coleman State Park is late spring through early fall, when the weather is ideal for camping, paddling, and fishing on Little Diamond Pond. Autumn also brings excellent foliage and cooler temperatures for quiet outdoor recreation.
Amenities
Nearby Attractions
Explore these attractions near Coleman State Park:
- Averill State ParkA remote primitive recreation area known for backcountry camping and access to the Connecticut Lakes region.25 miles away
- Connecticut Lakes RegionA scenic northern landscape of lakes, forests, and wildlife viewing opportunities popular with anglers and paddlers.30 miles away
- Pittsburg Ridge Natural AreaA high-elevation area offering broad views and a strong sense of the North Country’s wild character.32 miles away
Things to Do at Coleman State Park
Camping at Coleman State Park
Coleman State Park offers tent and RV camping with basic amenities; check reservations, seasonal dates, and site-specific restrictions.
Hiking Trails
Coleman State Park offers relaxed day hiking on mostly easy, well-marked trails through quiet forest, around ponds, and along scenic shoreline. Hikers often note peaceful views, light elevation change, and a family-friendly feel rather than challenging terrain. It’s a good choice for a short, low-key outing, especially for birdwatching, fall colors, and enjoying a calm northern New Hampshire setting.
Coleman State Park Loop Trail
EasyA scenic loop through mixed forest and along portions of the park’s shoreline, offering a relaxed walk with lake views and wildlife spotting opportunities.
Little Diamond Pond Shore Trail
EasyA gentle shoreline route with quiet water views, soft terrain, and several spots to pause for fishing or birdwatching.
Coleman Ridge Connector
ModerateA longer forested trail with rolling terrain and a few steeper sections, rewarding hikers with broader views of the park and surrounding woods.
North Woods Out-and-Back
ModerateA peaceful out-and-back hike through deeper woods and around quieter park edges, best for hikers looking for a longer, less crowded route.
Directions
From US-3 in Colebrook, take NH-145 south toward Stewartstown, then follow Diamond Pond Road to the park entrance. The park is in a remote area; check road conditions and fuel up before arriving.
Contact & Info
Frequently Asked Questions
What activities can I do at Coleman State Park?
Visitors commonly come for camping, fishing, boating, swimming, hiking, and relaxing by the lake. Reviews often mention it as a quiet, family-friendly spot for low-key outdoor recreation.
Is Coleman State Park good for camping?
Yes. Campers often describe it as peaceful and scenic, with a more rustic feel than larger parks. Sites are generally appreciated for being close to the water and for offering a quieter camping experience.
Can I swim at Coleman State Park?
Yes, swimming is a popular summer activity. Visitors often note that the beach area is small but pleasant, with a calm, relaxed atmosphere. Water conditions can vary, so it’s best to check locally before visiting.
Is fishing popular at Coleman State Park?
Yes. The lake is a common draw for anglers, and reviews often mention good fishing from shore or by boat. Many visitors enjoy the peaceful setting even if they’re there mainly to fish and unwind.
Are there hiking trails at Coleman State Park?
There are trails and walking opportunities, though visitors often describe them as modest rather than extensive. It’s a good place for easy walks, nature viewing, and enjoying the forested setting around the lake.
What should I know before visiting Coleman State Park?
Many visitors recommend bringing what you need for a quieter, more rustic park experience. Amenities may be more limited than at larger parks, so it’s smart to check current conditions, hours, and facility availability before you go.

Don’t Forget the Essentials
Essential camping & hiking gear we recommend to make your park trip easier and more comfortable.
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