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Ririe Reservoir is formed by Ririe Dam which is a major feature on the Ririe Project . Ririe Reservoir is administered by the Bonneville County Parks & Recreation Department. Access to this 1,500-acre reservoir with 32 miles of shoreline is fair to good. Fishing season runs from late May through November. Available species include rainbow, brown, and cutthroat trout. Reservoir acre feet and total reservoir capacity and cubic feet/second release rates for rivers below Upper Snake River Basin reservoirs and select river locations are updated daily and graphically provided. Site offers rest rooms, boat ramp and dock, campground, swimming, and visitor center. Boat ramp elevations.
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.
Site is located 20 miles east of Idaho Falls off U.S. 26.