Best Maine Swimming Holes
These picks line up with how people actually plan Maine swim days: cold mountain water, gorge pools, a few pond hikes, and a couple of coastal or park beaches when you want a different rhythm. Nothing here is a “secret spot” pitch — every row links to a full guide.
Swim allowed (or not) and hazard zones live in each guide’s swim notes and safety notes — read them before you commit to a stop. Flow, temperature, and posted rules change with season; treat shoulder season and high water as higher risk.
Compare the list on the map, then open the guide you want. For waterfall-first planning, start with Top 10 waterfalls in Maine.
Rank 1: Coos Canyon — Mexico (swim guide)
A short gorge on the Swift River in Byron, Maine, on Route 17. Pools, low jumps, and a classic rest-area swim and…
- Can you swim?
- Swimming allowed when posted rules and staffing say it is open
- Walk
- 0-5 min
Rank 2: Gulf Hagas area — Piscataquis swim cluster
Viewing only, not a swim stop
Maine's classic slate gorge on the West Branch Pleasant River in the KI Jo-Mary country. 8-mile AT-linked loop.
- Can you swim?
- No swimming. View only
- Walk
- 0-5 min
Rank 3: The Ledges — Millinocket
Flooded granite quarry near Millinocket, Maine. Cold deep water with rough, unmanaged entry.
- Can you swim?
- Swimming allowed when posted rules and staffing say it is open
- Walk
- 0-5 min
Rank 4: Rattlesnake Pool — Lovell
A deep clear plunge pool below Rattlesnake Flume in Lovell, Oxford County, Maine, near Evans Notch.
- Can you swim?
- Swimming allowed when posted rules and staffing say it is open
- Walk
- 0-5 min
Rank 5: Tumbledown Pond (mountain) — Weld
Alpine-feeling mountain pond on the saddle of Tumbledown Mountain in Weld, Maine. Strenuous hike-in cold swim.
- Can you swim?
- Swimming allowed when posted rules and staffing say it is open
- Walk
- 0-5 min
Rank 6: Emerald Pool — Lovell
A small clear pool in the Evans Notch corridor near Lovell, Maine and Chatham, New Hampshire.
- Can you swim?
- Swimming allowed when posted rules and staffing say it is open
- Walk
- 0-5 min
Rank 7: Reid State Park — Phippsburg
A saltwater state park beach on the Georgetown peninsula, Sagadahoc County, Maine. Cold Atlantic water.
- Can you swim?
- Swimming allowed when posted rules and staffing say it is open
- Walk
- 0-5 min
Rank 8: Echo Lake Beach (Acadia NP) — Mount Desert
Acadia NP's freshwater swim beach on the southwest side of Mount Desert Island. Seasonal lifeguard, park fee.
- Can you swim?
- Swimming allowed when posted rules and staffing say it is open
- Walk
- 0-5 min
Rank 9: Swift River Falls — Mexico (swim guide)
Viewing only, not a swim stop
Tiered drop on the Swift River in Roxbury, Maine. Roadside scenic stop along the Route 17 corridor.
- Can you swim?
- No swimming. View only
- Walk
- 0-5 min
Rank 10: Frenchman's Hole — Bethel
Classic Bull Branch swim hole off Sunday River Road north of Bethel, Maine, with deep pool, ledge, and cliff jumps.
- Can you swim?
- Swimming allowed when posted rules and staffing say it is open
- Walk
- 0-5 min