Alturas Lake is one of the many alpine lakes in the Sawtooth National Recreation Area. Campsites with fireplaces, grills, water, toilets and parking are available. There is a trail that follows Alturas Lake Creek up to the lake on a forest service road. Season: All Year Hours: Daylight Fees: Fees for parking at developed day use areas and camping areas overnight.. Alturas Lake welcomes picnicking, camping, fishing and other water sport activities. An old mining road in the area is a good trail for mountain bikers, hikers and horseback riders.