Ketchum, Idaho · Family Attractions, Fishing & Boating, Pools & Swimming
Alturas Lake Picnic Area south of Stanley is a mountain-lake day-use destination in the Sawtooth National Recreation Area.
- Admission
- Varies
- Hours
- Day use only; confirm the seasonal reservation calendar
- Parking
- Off-Street Parking
- Restrooms
- Yes
- Access
- The group picnic site is described as accessible; confirm your route and specific facilities
- Setting
- Outdoor · All Ages · Seasonal
- Food available
- Nearby
🌳 Amenities & Features
- 🏖️ Designated swim beach
- 🧺 Picnic sites
- 🌲 Shaded forest setting
- 🚤 Boat ramp nearby
- 🏔️ Sawtooth mountain scenery
💡 Good to Know
- Mountain weather can change quickly.
- Water temperatures stay cold even in midsummer.
Visitor update, October 15, 2026: The reservable group picnic area accommodates up to 50 people and is for day use only. Check current reservation prices and seasonal availability.
Official source for this update
Listing review date: 2026-10-15. Unconfirmed details remain noted in this listing.

