Best Swimming Holes Near Bethel and Sunday River
Bethel has a summer reputation that its winter one sometimes overshadows: cold, clear mountain water in western Maine, with a handful of names - Frenchman's Hole, Step Falls, Screw Auger - that people talk about the way serious swimmers talk about good spots. There's a reason for that.

Map of the picks
Bethel has a summer reputation that its winter one sometimes overshadows: cold, clear mountain water in western Maine, with a handful of names - Frenchman's Hole, Step Falls, Screw Auger - that people talk about the way serious swimmers talk about good spots. There's a reason for that.
The rivers and brooks near Sunday River, Newry, and the Grafton Notch corridor stay cold through the summer because of where they come from: granite-and-forest drainages at elevation that don't warm the way a lowland river does. That's the point. On a proper Maine summer day, that cold is not a deterrent. It's the destination.
This guide treats the cold honestly and gives you the lake backup for when the brook conditions aren't cooperating.
The Picks
1. Frenchman's Hole - Newry, Maine
This is the name people say first, and it earns it. Frenchman's Hole is cold, clear, and geologically beautiful - a Sunday River tributary with the kind of water that rewards the moment you get in rather than the moment before. Go on a calm day with clear skies. Don't go the day after heavy rain when the water goes brown and pushy.
Best for: The classic Sunday River-area mountain swim. Watch for: Cold water, slick rock, variable flow, and conditions-dependency.
Open the Frenchman's Hole guide.
2. Step Falls Preserve - Newry, Maine
Step Falls is beautiful in a way that's different from a gorge or a pool - a cascading series of ledges and slides that descend through the forest. It's popular, it's fragile, and it requires a respectful and lightweight approach. Follow all posted rules. The preserve exists because people care about keeping it.
Best for: A memorable waterfall-and-cascade experience near Bethel. Watch for: Crowds, fragile terrain, and water level - come in good conditions.
Open the Step Falls Preserve guide.
3. Screw Auger Falls - Grafton Notch, Maine
Screw Auger is one of Maine's most dramatic roadside water features: a gorge carved through granite, cold river running through it, the whole thing looking like it was designed to make people feel geological time. The swimming is secondary to the scenery and the geology. Approach with appropriate care.
Best for: Gorge scenery and cold mountain air. Watch for: Powerful water, slick ledges, and no-swim conditions.
Open the Screw Auger Falls guide.
4. Mother Walker Falls and Moose Cave Area - Grafton Notch, Maine
These stops round out a Grafton Notch day - short walks to different kinds of water and rock. They're better as water-and-geology stops than swim destinations, but they're worth the small effort required.
Best for: Short scenic detours on a Grafton Notch day. Watch for: Rules, footing, and narrow gorge features.
Open the Mother Walker Falls and Moose Cave Area guide.
5. Coos Canyon - Byron, Maine
Coos Canyon is farther north - Byron is a long way from anywhere - but it belongs in the western Maine swim conversation because it has the cold-river-rock summer feeling that people drive to western Maine for. Worth planning around if you're already heading that direction.
Best for: Cold river scenery and a classic Maine road-trip swim stop. Watch for: Current, water level, and slippery rock.
Open the Coos Canyon guide.
6. Range Pond State Park - Poland, Maine
Range Pond is the lake backup when the brooks are too high or the group isn't up for a rocky river day. It's between Bethel and the turnpike corridor, real beach, managed, and easy. Not as dramatic as Frenchman's Hole, but dependable in a way that river spots can't always match.
Best for: A reliable lake-beach backup for western Maine travelers. Watch for: Drive time from Bethel, fees, and seasonal staffing.
Open the Range Pond State Park guide.
7. Kezar Lake - Lovell, Maine
Kezar Lake is one of western Maine's genuinely beautiful lake-country destinations - clear water, mountain views, a landscape that rewards a slower pace. Public access details matter, so do your homework before making it the plan.
Best for: A scenic western Maine lake day for travelers with time and access sorted. Watch for: Public access specifics and local rules.
Open the Kezar Lake guide.
8. Rattlesnake Pool - Evans Notch Region, Maine
Rattlesnake Pool requires a hike and a commitment to accessing it the right way. The payoff is cold, clear mountain-pool water in a setting that feels genuinely away. A good option for the group that wants to earn it.
Best for: A hike-to-swim day for the right group on a good weather day. Watch for: Trail effort, crowding, and the fragility of the access situation.
Open the Rattlesnake Pool guide.
The high-water rule: Western Maine rivers can go from clear and swimmable to brown and powerful within a few hours of significant rain. Frenchman's Hole, Coos Canyon, and the Grafton Notch spots are all conditions-dependent. After any significant rain, choose a lake beach without hesitation. The rivers will come back.
Related guides
Frequently asked questions
Where should I start?
Use Frenchman's Hole as the first-choice stop when it matches your route and comfort level. Keep Step Falls Preserve nearby as the practical fallback if parking is full, signs change, water looks cloudy, or weather turns.
Are these places good right after heavy rain?
Not always. After heavy rain, favor managed lake or pond beaches, avoid fast rivers and slick ledges, and read posted water-quality notices before anyone gets in.
How do I choose the right stop?
Choose by the least flexible need in your group first: easy entry, bathrooms, shade, clear exits, or a shorter drive. Then use scenery, colder water, and quieter timing as tie-breakers.
Updated 2026-05-31. Conditions, fees, lifeguard staffing, parking rules, and water-quality postings can change during the season.