Flagg Swamp Wildlife Management Area: hunting, access and parking in Zone 10
Flagg Swamp Wildlife Management Area is 54 acres of MassWildlife land in Marlborough (Middlesex County), in Wildlife Management Zone 10. MassWildlife says all of its WMAs are open to hunting, fishing and trapping. Hunters took 2,515 deer in Zone 10 in 2025, and MassWildlife maps 1 parking area for the property with room for about 1 vehicles.
Data updated October 2026. Area facts: MassWildlife's Flagg Swamp WMA fact sheet. Harvest: MassWildlife 2025 Deer Harvest Summary. Seasons: MassWildlife deer hunting regulations (2026 dates).
MassWildlife (Fish and Game) landFlagg Swamp WMAZone lineParkingHighway
| Size | 54 acres (MassWildlife) |
|---|---|
| Town | Marlborough |
| County | Middlesex |
| Wildlife Management Zone | Zone 10 |
| MassWildlife district | Northeast District |
| Parking (MassWildlife) | 1 lot, about 1 spaces |
| Deer taken in Zone 10, 2025 | 2,515 (1,320 adult males) |
| Nearest town centers | Marlborough (2 mi), Hudson (2 mi) and Berlin (3 mi) |
What is Flagg Swamp WMA like?
MassWildlife describes it: "This property is primarily composed of various wetland habitats but lacking open water. There are wet meadow and hardwood swamps with a sandpit also on the property. There are small areas of early successional habitat."
On wildlife: "There are bird-watching and wildflower study opportunities on this property."
Quoted from MassWildlife's Flagg Swamp WMA fact sheet.
What does MassWildlife say about hunting Flagg Swamp WMA?
"Signs of white-tailed deer are common on this property."
How do you get into Flagg Swamp WMA?
"This WMA is located at the junction of Route 495 and Route 85. Parking is available off of Pleasant Street. An access right of way is located on Dufresne Road, look for signs."
| Parking | Spaces | Surface | Condition | Latitude | Longitude |
|---|---|---|---|---|---|
| Flagg Swamp WMA Pleasant Street pull-off | 1 | Dirt | Fair | 42.36523 | -71.57422 |
From MassWildlife parking for recreation.
Highways within five miles: I-495, US 20, MA 62, MA 85, I-290 and MA 30. Distances to the nearest town centers: Marlborough 2 miles, Hudson 2 miles, Berlin 3 miles and Northborough 4 miles. Other WMAs nearby: Mt. Pisgah (4 miles), Wayne F. MacCallum (5 miles), Clinton Bluff (6 miles).
When can you hunt deer on Flagg Swamp WMA in 2026?
Deer seasons follow Zone 10: archery October 5 to November 28, shotgun November 30 to December 12, primitive firearms December 14 to 31 and a winter season January 1 to 30, 2027. In 2025 the zone gave 1,435 deer to archers and 645 in shotgun season.
| Zone | WMA acres in it | Deer, 2025 | Adult males, 2025 | Deer, 2024 |
|---|---|---|---|---|
| Zone 10 | 56 | 2,515 | 1,320 | 2,423 |
Seasons: MassWildlife deer hunting regulations (2026 dates). Harvest: MassWildlife 2025 Deer Harvest Summary; MassWildlife 2024 Deer Harvest Summary.
What rules apply on Flagg Swamp WMA?
Under 321 CMR 3.01, camping, fires and target practice need the Director's written permission, vehicles stay on roads open to traffic, and dogs must be leashed unless hunting or training with a licensed hunter.
Source: MassWildlife WMA regulations.
Questions hunters ask
Can you hunt on Flagg Swamp WMA?
Yes. MassWildlife says all WMAs are open to hunting, fishing and trapping; deer seasons follow Zone 10, where the 2026 shotgun season runs November 30 to December 12 (MassWildlife WMA regulations).
What zone is Flagg Swamp WMA in?
Zone 10, as MassWildlife's fact sheet gives it. Hunters took 2,515 deer in Zone 10 in 2025, 1,320 of them adult males, after 2,423 in 2024 (MassWildlife 2025 Deer Harvest Summary).
Where do you park for Flagg Swamp WMA?
MassWildlife maps 1 parking area: Flagg Swamp WMA Pleasant Street pull-off (one car, dirt). Its fact sheet adds: "This WMA is located at the junction of Route 495 and Route 85. Parking is available off of Pleasant Street. An access right of way is located on Dufresne Road, look for signs."
What can you hunt on Flagg Swamp WMA?
MassWildlife's fact sheet: "Signs of white-tailed deer are common on this property."
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Sources: MassWildlife fact sheet; MassWildlife Lands (MassGIS); MassWildlife parking for recreation; MassWildlife 2025 Deer Harvest Summary; MassWildlife deer hunting regulations (2026 dates); MassWildlife WMA regulations; public land MassGIS Protected and Recreational OpenSpace for state and Army Corps land; USGS Protected Areas Database of the United States (PAD-US 4.1) for federal land; towns U.S. Census Bureau TIGER/Line 2024 primary and secondary roads; U.S. Census Bureau 2024 Gazetteer, towns (county subdivisions). FilledTag is not part of Massachusetts Division of Fisheries and Wildlife (MassWildlife).