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Mann Creek Reservoir is formed by Mann Creek Dam, which is part of the Mann Creek Project. Managed by the Bureau of Reclamation, Snake River Area Office, this 650-acre impoundment offers a 280-acre reservoir with 5 miles of shoreline. Boating and fishing are the major recreation activities at Mann Creek Reservoir, located in southwest Idaho, northwest of Boise. Fishing opportunities for rainbow trout, crappie, and largemouth bass. Season open year-round. Site offers: restrooms, boat ramps, primitive campsites, and swimming.
Effective immediately, Reclamation will require all boats launching at Lake Berryessa to participate in a seal program to prevent the spread of invasive mussels. All vessels wishing to launch at Lake Berryessa will be inspected. A red quarantine seal will be applied for 30 days during, which the vessel will not be permitted to launch. Vessels that have finished the 30-day quarantine may return to the lake and have the seal removed by authorized staff and will be allowed to launch. For more information on this updated protocol, please view the press release here: https://www.usbr.gov/newsroom/news-release/5031.
Directions: Located about 15 miles north of Weiser, off U.S. 95.