These are the most popular parks in Boston, according to check-in data

People look out over the water on Castle Island. Keith Bedford / Globe Staff

Boston may be jam-packed, but the city has plenty of green space for a refreshing reprieve. These parks are perfect for soaking up the sunshine on a warm day, or taking a walk during your lunch break.

We found the most popular parks in Boston, thanks to Foursquare Swarm check-in data from the week of May 4-11, 2017. Here they are:

1. Boston Common
139 Tremont St., Downtown

2. Charles River Esplanade
The Esplanade, Beacon Hill

3. Grove Cedar Bike Path
Davis Square, Somerville

4. Castle Island
2010 William J Day Blvd., South Boston

5. Commonwealth Avenue Mall
484 Commonwealth Avenue, Back Bay

6. Christopher Columbus Park
Atlantic Avenue and Commercial Wharf, Waterfront


7. Lawn On D
420 D St., South Boston

8. Arnold Arboretum
125 Arborway, Jamaica Plain

9. The Fens
100 Park Drive, Fenway

10. Dewey Square
600 Atlantic Avenue, Financial District