Newest reservoirs in Idaho
This is a comparison for lakes within USA > West > Idaho > - Compared by Newest (Youngest) Reservoirs and the year it was completed.Note: For some lakes, age data is unknown or does not apply, so this table may display fewer lakes than the total 23 articles we have published for Idaho lakes.
Search results: Sort lakes by completion year
Lake name ![]() |
Completion year ![]() |
Lake description |
---|---|---|
Priest Lake (Idaho, Northern, USA, West) |
1978 | Located in the most northern portion of Idaho’s Panhandle, Priest Lake is within 30 miles of the Canadian Border. Priest Lake was naturally created at… |
American Falls Reservoir (Idaho, Southeastern, USA, West) |
1978 | With more than 56,000 acres of water sport, boating and fishing waters, surrounded by choice camping and picnic areas, American Falls Reservoir in sou… |
Dworshak Reservoir (Idaho, North Central, USA, West) |
1972 | Dworshak Reservoir is an excellent outdoor recreation site with a great water playground of over 19,000 acres. Located in northern Idaho near the town… |
Hells Canyon Reservoirs (Eastern, Idaho, Oregon, Southwestern, USA, West) |
1959 | Also known as Brownlee Reservoir, Oxbow Reservoir, Hells Canyon Reservoir The three Hells Canyon Reservoirs are one of southwest Idaho’s most scenic locations. Idaho can’t claim this national treasure alone, however as it sh… |
Palisades Reservoir (Eastern, Idaho, Southwest, USA, West, Wyoming) |
1957 | Palisades Reservoir is set in southeast Idaho, east of Idaho Falls in a beautiful river valley. The southern end of the reservoir extends into Wyoming… |
Lake Pend Oreille (Idaho, Northern, USA, West) |
1955 | Also known as Albeni Falls Dam Set in a valley carved by glaciers from Canada, Lake Pend Oreille (pond-a-RAY) is surrounded by mountains with altitudes exceeding 6,000 feet. Its 85,… |
Lucky Peak Lake (Idaho, Southwestern, USA, West) |
1955 | Also known as Lucky Peak Reservoir Home of Idaho’s most visited state park, Lucky Peak Lake (sometimes called Lucky Peak Reservoir) covers over 3,000 acres just outside of the capital c… |
C. J. Strike Reservoir (Idaho, Southwestern, USA, West) |
1952 | The C. J. Strike Reservoir in Southwestern Idaho offers a wealth of opportunities to enjoy nature. Formed in 1952 when a hydroelectric dam was built a… |
Anderson Ranch Reservoir (Idaho, Southwestern, USA, West) |
1950 | One of the true gems of the Idaho reservoir system is Anderson Ranch Reservoir. Completed along the South Fork of the Boise River in 1950, this projec… |
Lake Cascade (Idaho, Southwestern, USA, West) |
1948 | Also known as Cascade Reservoir Lake Cascade (Cascade Reservoir) is the fourth largest lake in Idaho, creating an extensive and diverse recreation site for visitors. Its nearly 30,00… |
Island Park Reservoir (Eastern, Idaho, USA, West) |
1939 | Just half an hour southwest of west Yellowstone, MT, Island Park Reservoir hosts a recreational paradise all its own. The roughly 7000-ace reservoir i… |
Arrowrock Reservoir (Idaho, Southwestern, USA, West) |
1937 | One in a string of three major reservoirs built to irrigate the parched Boise Valley, Arrowrock Reservoir has contributed to water recreation in south… |