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Cos Cob Park
4.7 ★★★★★ 351 Google reviews · Running trail in Greenwich, Connecticut · Open 24 hours
Runner's snapshot
- Surface
- Paved
- Loop distance
- Not reported
- Shape
- Loop
- Shade
- Not reported
- Access
- Open 24 hours
Confirmed from Cos Cob Park's own listing, the park or land manager's website, and runner reviews. Blank cells mean we could not verify that fact — we would rather say "not reported" than invent one. There is no Easy / Moderate / Hard rating on this page on purpose: a one-word difficulty score tells you nothing about whether a trail suits your run. Surface, distance, shade and hours do.
Waterfront park with a multi-use field, playground & picnic pavilion, plus trails & a 9/11 memorial.
What runners say about Cos Cob Park
“There’s also a great pavilion for shade and clean public restrooms.”
“Small but very beautiful and relaxing park, watching the water and lots of benches to sit and enjoy the quietness.”
“I enjoy the calm open space this location offers!”
We find it interesting that you can go to so many different parks and in each you are transported to a completely different space. This power plant turned park is a good mix of views and practical park space, with a soccer field and a small playground but still an outdoor amphitheatre, walking paths by the ocean and a…
If it is a nice sunny day take a walk over to this 9/11 memorial included scenic park. There is a lovely wooden covered gazebo looking structure with 2x wooden benches that overlook the nicest view of the Cos Cob waters. Spent a lot of time over here during my young adolescent days in the summers.
Cos Cob Park: A Hidden Gem for Waterfront Walks ⭐⭐⭐⭐⭐ (5/5) If you are looking for a peaceful, beautifully maintained waterfront escape without the need for a car, Cos Cob Park is a must-visit.
This hidden gem has something for everyone! The park itself sits on the Cos Cob Harbor with views of some of the most beautiful mansions in Greenwich! Walking/Running Trails, wildflowers, sports fields, a large playground and a beautiful 9/11 tribute monument which depicts the names of the area residents that perished…
Trail conditions & character
“Highlights of the Park: The Loop: The park features a wonderful paved walking path that circles the perimeter, offering sweeping views of Cos Cob Harbor and the Long Island Sound.”
“Dogs are allowed in the park and there are multiple doggie cleanup stations installed throughout he park.”
“Highlights of the Park: The Loop: The park features a wonderful paved walking path that circles the perimeter, offering sweeping views of Cos Cob Harbor and the Long Island Sound.”
“Highlights of the Park: The Loop: The park features a wonderful paved walking path that circles the perimeter, offering sweeping views of Cos Cob Harbor and the Long Island Sound.”
“It is a nice place to do some good soul searching, plus a whole soccer field, bathrooms, and a nice water spout where you can hydrate yourself & your doggie if needed.”
Plan your run at Cos Cob Park
The practical stuff
- AccessOpen 24 hours — no gate to beat, so a 5am or a 10pm run both work
- SurfacePaved — asphalt or concrete. Fast and predictable, runnable year-round, and fine with a stroller
- DistanceNot reported. Trail systems often quote total path mileage rather than a single loop, so measure the route you actually want before you drive out.
- ShadeNot reported. Assume some of it is exposed and carry water in summer.
- At the trailheadrestrooms — reported by runners
- DogsWelcome, per reviewers. Leash rules vary by park — the trailhead sign is the authority.
- Websitegreenwichct.gov
- Phone(203) 622-7824
- Social Instagram · Facebook
Hours
| Monday | Open 24 hours |
| Tuesday | Open 24 hours |
| Wednesday | Open 24 hours |
| Thursday | Open 24 hours |
| Friday | Open 24 hours |
| Saturday | Open 24 hours |
| Sunday | Open 24 hours |
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