The main swimming beach at Lake Dennison, a wide sandy stretch on the south shore open to day visitors as well as campers. Lifeguards are on duty in season and a gravel ramp nearby handles canoes and kayaks.
What to expect
Parking
Paid lot $8 MA resident / $30 non-resident per day, late May 24-Sep 1 (a second source reports $10/$20; the exact current rate is unconfirmed)
Free until late May 24Swimming
Allowed water tested by the state
Hours
10am-8pm, Sunday through Saturday, late May to early September
From late MaySeason
Late May through early September
From Late MayAccessibility
Listed on the state's accessible beaches and pools directory.
Dogs
Dogs are not allowed on the designated swimming beach from May 1 through September 15, DCR's statewide rule for beaches unless otherwise posted; leashed dogs (10 ft leash maximum) are welcome elsewhere on the property.
Banned now · back September 15Kayak/Canoe
Allowed year-round, ice permitting
Getting in
Parking
Paid lot
Cost$8 MA resident / $30 non-resident per day, late May 24-Sep 1 (a second source reports $10/$20; the exact current rate is unconfirmed)
Day Use Beach lot, Alger Street entrance
Details unconfirmed
Day Use Beach lot, Alger Street entrance
Cost$8 MA resident / $30 non-resident per day, late May 24-Sep 1 (a second source reports $10/$20; the exact current rate…Spacesunconfirmed
Entrance off Alger Street near the beach
Access points along this beach
Non-motorized boat ramp
Gravel ramp near the day use beach for canoes and kayaks; not set up for gas motors
What's here
Facilities
Restrooms
Beach bathhouse/comfort station
Drinking water
Potable water spigots are listed among the campground's facilities
Picnic area
Picnic areas near the beach
Common questions
Is Lake Dennison Day Use Beach in Winchendon open today?
Open, no advisory on record in the latest MA DPH posting (updated 2026-09-13). MA DPH is the authority. Check the status the morning you go.
Are dogs allowed on the beach?
Not on the sand between May 1 and September 15, DCR's statewide rule for beaches; a leashed dog is fine elsewhere on the property.
Is there parking at Lake Dennison Day Use Beach, and what does it cost?
Paid lot ($8 MA resident / $30 non-resident per day, late May 24-Sep 1 (a second source reports $10/$20; the exact current rate is unconfirmed)). Day Use Beach lot, Alger Street entrance
Are there restrooms at Lake Dennison Day Use Beach?
Public restrooms are listed near the beach. Seasonal hours are common, so they may be closed off-season.
What rules should I know at Lake Dennison Day Use Beach?
No dogs on the sand, per DCR's statewide May 1-September 15 beach dog rule.
Can you swim at Lake Dennison Day Use Beach?
Yes. Lake Dennison Day Use Beach has no swimming advisory in the latest MA DPH posting (updated 2026-09-13). Check again the morning you go.
Is there an entry fee at Lake Dennison Day Use Beach?
No, entry is free.