Lake Sonoma Boat Ramps

4 boat launches are mapped on Lake Sonoma in Sonoma County, California.

Lake Sonoma facts

Surface area2,235 acres
TypeReservoir
Average depthabout 110 ft (normal storage ÷ surface area)
Shoreline lengthabout 35.7 miles
Surface elevation1,480 ft above sea level
DamWarm Springs Dam, completed 1983
Dam size356 ft high, 3,000 ft long, earth dam
Dam purposesFlood Risk Reduction, Recreation, Hydroelectric, Water Supply
Dam ownerUSACE - San Francisco District (Federal)
Normal storage245,000 acre-feet
Impounded streamDry Creek

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 CA10303). Matched to this page by name and location; modelled values are approximate. See all sources.

Counties