Redfish Lake is the best-known lake in the Sawtooth National Recreation Area, a long, deep body of water set against some of the most photogenic peaks in the region. It sits a few miles south of Stanley, about a 90-minute drive from Ketchum, and has beaches, a lodge, campgrounds, picnic areas and trailheads. The name comes from the sockeye salmon that once turned the water red when they spawned here, and conservation work continues in this watershed.A visit can be as easy or as active as you like. Families spread out on the sandy beaches for a picnic and a splash in the cold water, kayakers and paddleboarders take to the surface in calm hours and hikers set off along lakeside trails toward Fishhook Creek and Redfish Creek. A boat shuttle across the lake, when operating, drops hikers at trailheads on the far shore for longer walks toward alpine basins.
Plan for cold water and strong sun. Even in July the lake is chilly, and mountain weather can shift in an hour. Bring layers, sunscreen, a hat and plenty of water, and give yourself time to enjoy it, as the drive in is part of the journey.
Parking areas can fill on summer weekends, so aim to arrive in the morning. Check the status of boat services, lodge hours and trail conditions before you travel.Wildlife viewing is a bonus. Look for osprey, bald eagles and ducks near the shore, and keep a respectful distance from any larger animals you encounter.
Camping is popular in the area, but sites fill early in peak season, so reservations through the Forest Service are essential. Fire restrictions can apply in dry months, and food storage rules help keep bears away from camps.For photographers, early morning is the best time to catch still water and the first light on the peaks. Evenings bring warm tones and often quieter paths. If you only have time for one outing in the Sawtooth Valley, Redfish Lake is a strong choice, with a mix of accessibility and wilderness feel.
Pair it with a stop in Stanley for lunch, and take the scenic route over Galena Summit on the way back to Ketchum. In autumn, crowds thin and the surrounding hills turn gold, making it a quieter and equally beautiful season.Families can build a relaxed day. Start with a morning walk along the shore, picnic on the beach and let children splash in the shallows while adults watch from the sand.
Later, a short hike or a boat ride gives a change of scenery. Check the visitor center for naturalist programs, which are sometimes offered in summer and are a good way to learn about the salmon, the glaciers that carved the basin and the forest around you.
Weather deserves respect. Afternoon winds can whip up waves, thunderstorms build quickly over the peaks and temperatures drop after sunset. Keep an eye on the sky when paddling, stay close to shore and wear a life jacket.Anglers will find opportunities in the surrounding streams and lakes, though regulations protecting the salmon and trout are strict. Check current rules, and respect closures designed to protect fish and habitat.
What to expect
The experience
An alpine lake with beaches, boat services, campgrounds and hiking trails beneath the Sawtooth Range.
Best time
July to early September for warm days; early morning for calm water and photography.
How long
Two hours for a visit, a full day for hiking or paddling.
Tips
Bring layers, sun protection and water, and arrive early to find parking.
Quick picks
- Best for
- Swimmers, paddlers and hikers who want alpine scenery.
- Families
- Beaches and easy walks make it a good family outing.
- Couples
- Rent a kayak or hike to a quiet shoreline.
- Pair with
- Stanley, Galena Summit and the Salmon River.
- Time needed
- Plan on three to five hours including the drive time from Stanley.
Good questions
How far is Redfish Lake from Ketchum?+
About 70 miles, roughly 90 minutes by car.
Can I swim in the lake?+
Yes, but the water is cold even in summer. Beaches are popular for a quick dip.
Are there boat rides?+
A shuttle and rentals operate seasonally. Confirm availability before you go.
Are dogs allowed?+
Dogs are generally allowed on leash in certain areas. Check current rules.
Where does the name come from?+
It refers to the sockeye salmon that once turned the water red when they spawned.