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Running trails in Groton, CT
Groton has 8 trails in the directory — 1 on crushed gravel or dirt, 1 boardwalk, 3 loops that return to the trailhead, and 1 open 24 hours. 6 of them post opening hours, so you can check the gate before an early start. They're ranked here by rating weighted by review volume, across 3,267 Google reviews. Filter by surface, loop, distance, shade or lighting to get to the run you're actually planning — no made-up difficulty score, just the facts you'd check before driving out.
Bluff Point State Park
4.7 ★★★★★ 2,039 reviews
Peninsula offers over 800 acres of hiking & biking, plus fishing & wildlife on Long Island Sound.
Poquonnock Plains Park
4.6 ★★★★★ 420 reviews
Outdoor recreational area with a playground, soccer fields and grassy grounds for football.
The Copp Family Park
4.5 ★★★★★ 370 reviews
240-acre former farm, now featuring fields & meadows bordered by forest & wetlands, plus a dog park.
Haley Farm State Park
4.7 ★★★★★ 336 reviews
Protected open space offering hiking & biking paths & a historic series of hand-built stone walls.
Sheep Farm Park
4.9 ★★★★★ 48 reviews
Park with diverse habitats, glacial boulders, waterfalls, and trails that are good for kids.
Groton Trails
4.8 ★★★★★ 8 reviews
Sassacus Nature Preserve
4.2 ★★★★☆ 5 reviews
No trails match those filters.
How to pick a trail in Groton
- Match the surface to your legs. Groton gives you a choice: 2 mixed, 1 natural surface, and 1 boardwalk. Asphalt and concrete are fast, predictable and runnable year-round but the least forgiving; crushed limestone and dirt take the sting out of high mileage; boardwalk is flat and scenic but slick in the wet. If your shins or knees are complaining, the fix that actually works is varying the surface you run on rather than chasing one "best" one. More mixed trails →
- Loop or out-and-back? 3 trails here are loops, so you finish back at the car with no backtracking — the easiest way to run a set distance without thinking about it. On an out-and-back you turn round at half your target distance, which makes any trail fit any run.
- Check the hours before a 6am run. 1 trail in Groton is open 24 hours — the rest can sit inside a park that gates at dusk and doesn't unlock until well after sunrise. 6 of the 8 listings carry posted opening hours — worth a look before you set an alarm.
- Long run? Check water and restrooms first. 6 have trailhead parking, 1 has restrooms, and 1 has a water fountain in Groton. Anything over an hour and those stop being nice-to-haves — and in summer, shade counts double.
- The small things that decide it. 3 with mile markers, 1 that runners describe as quiet, 3 dog-friendly, and 3 smooth and wide enough for a stroller or a wheelchair. Busy or quiet isn't a good-or-bad thing here: a busy path is the safer choice for a solo run at dawn, a quiet one is better for intervals.
More on all of this in the trail-running guides.
Browse Groton trails by type
Running trails near Groton
Worth the short drive — the closest towns with trails in the directory.