Rio Reservoir Boat Ramps

2 boat launches are mapped on Rio Reservoir in Sullivan County, New York.

2 of these launches include facility details from New York State Department of Environmental Conservation (DEC).

Rio Reservoir facts

Surface area422 acres
TypeReservoir
Average depthabout 36 ft (normal storage ÷ surface area)
Shoreline lengthabout 7.5 miles
Surface elevation2,671 ft above sea level
DamRio, completed 1927
Dam size101 ft high, 1,487 ft long, gravity dam
Dam purposesHydroelectric, Recreation
Dam ownerPrivately owned
Normal storage15,037 acre-feet
Impounded streamMongaup River

Sources: USGS National Hydrography Dataset (public domain); HydroLAKES v1.0 (Messager et al. 2016, CC BY 4.0); U.S. Army Corps of Engineers National Inventory of Dams (NID ID NY00497). Matched to this page by name and location; modelled values are approximate. See all sources.

Fish in Rio Reservoir

Stocked by the state (2024 or earlier): Walleye.

Listed by the state as a recommended fishery for: Brown trout, Carp, Chain pickerel, Crappie, Largemouth bass, Smallmouth bass, Sunfish, Walleye, Yellow perch.

Source: NYSDEC fish stocking lists; NYSDEC recommended fishing lakes and ponds. Species lists come from state survey and stocking records, not a guarantee of what you will catch; check current state fishing regulations.

Rio Reservoir boating rules & advisories

Boating and access rules

Summarised from state agency data. Rules change; always check the linked official source and posted signs before you launch. Absence of a listing here does not mean no rules or advisories apply.

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