Watertown - Mass Trails 
Watertown has 0.4 square miles of open space, 9% of the total, and 5 miles of public trails.
The major open space properties in Watertown are: Charles River Reservation , Upper Charles River Reservation Greenway , Arsenal Park , Filippello Park , Whitney Hill Park , and Charles River Greenway . There are 33 open space properties in total.
The largest open space landowners in Watertown are: City of Watertown, DCR - Division of Urban Parks and Recreation, and Gore Place Society.
| Landowner | Properties | Area In Watertown Acres |
|---|---|---|
| City of Watertown | 15 | 82 |
| DCR - Division of Urban Parks and Recreation | 10 | 73 |
| Gore Place Society | 2 | 36 |
See all 3 landowners in Watertown
| Landowner | Name | Type | Area In Watertown Acres | Trails miles |
|---|---|---|---|---|
| Charles River Reservation | Conservation | 55 | 5 | |
| DCR - Division of Urban Parks and Recreation | Upper Charles River Reservation Greenway | Recreation Ground | 13 | 3 |
| City of Watertown | Arsenal Park | Park | 14 | 1 |
| City of Watertown | Filippello Park | Park | 14 | 1 |
| City of Watertown | Whitney Hill Park | Conservation | 11 | 1 |
| DCR - Division of Urban Parks and Recreation | Charles River Greenway | Conservation | 5 | 0 |