Lake Ilsanjo, Trione-Annadel State Park
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Facts and practical information
Lake Ilsanjo is a man-made lake located in Annadel State Park east of Santa Rosa in Sonoma County, California, United States. It is a place for fishing and swimming, especially in the summer months. Entrepreneur Joe Coney originally owned the land that is now Annadel State Park and named the lake after his wife Ilsa and himself. Thus it came to be called Lake Ilsanjo. It drains into Spring Creek. ()
Length: 1950 ftElevation: 751 ft a.s.l.Coordinates: 38°25'41"N, 122°37'55"W
Address
Trione-Annadel State Park
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Day trips
Lake Ilsanjo – popular in the area (distance from the attraction)
Nearby attractions include: Santa Rosa Plaza, Montgomery Village, Lake Ralphine, Luther Burbank Home & Gardens.