Lake Ralphine

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Lake Ralphine
Lake Ralphine 3586.jpg
waterfowl on Lake Ralphine, 2010
LocationSonoma County, California[1]
Coordinates38°27′18″N 122°40′01″W / 38.455°N 122.667°W / 38.455; -122.667Coordinates: 38°27′18″N 122°40′01″W / 38.455°N 122.667°W / 38.455; -122.667[1]
Primary outflowsa tributary of Santa Rosa Creek[2]
Catchment area0.15 sq mi (0.39 km2)[2]
Basin countriesUnited States
Surface area19 acres (7.7 ha)[2]
Water volume387 acre⋅ft (477,000 m3)[2]
Surface elevation256 ft (78 m)[1]
SettlementsSanta Rosa

Lake Ralphine is a reservoir in Howarth Memorial Park in the city of Santa Rosa, in the U.S. state of California.


The California Department of Fish and Wildlife stocks the lake annually with trout of catchable size.[3] Other fishes found in the lake include bass, bluegill, and catfish.[4]


The lake is formed by an earthen dam which dates back to 1882.[2] It was built by Colonel Mark Lindsay McDonald and named after his wife. In 1947 it was purchased by the City of Santa Rosa.[5]


The lake is encircled by trails (Eagle Scout Trail and Old Fisherman's Trail) which connect to the Howarth Park parking lot off of Summerfield Road. Horses and motorized vehicles are not allowed on these trails.[6]

In season, kayaks, paddle boats, canoes, rowboats, and sailboats are available for rent, and there is a launch ramp for private boats.[7]

See also[edit]


  1. ^ a b c d "Lake Ralphine". Geographic Names Information System. United States Geological Survey. Retrieved March 20, 2015.
  2. ^ a b c d e "Dams Within the Jurisdiction of the State of California" (PDF). State of California. Retrieved March 20, 2015.
  3. ^ "Hatchery Fish Planting for Region 3". Retrieved 2009-04-03.
  4. ^ "Fishing on Lake Ralphine". Archived from the original on 2011-05-05. Retrieved 2010-11-12.
  5. ^ McCallum, Kevin (March 20, 2015). "Water seepage prompts examination of Lake Ralphine dam". Press-Democrat. Santa Rosa, California. Retrieved March 20, 2015.
  6. ^ "Howarth Park Trail Map" (PDF). Archived from the original (PDF) on 2009-08-04. Retrieved 2009-04-03.
  7. ^ "Lake Ralphine: Bottini Boathouse". Archived from the original on 2009-05-28. Retrieved 2009-04-04.