Glenhaven, California is a small community located in Lake County, situated in the northern part of the state. The climate of Glenhaven is Mediterranean, with warm summers and mild winters. The area is surrounded by mountains and forests, making it a prime location for outdoor recreation such as hiking, fishing, and camping. The hydrology constituents of Glenhaven include Clear Lake, which is the largest natural freshwater lake in California. Additionally, the community is home to several small streams and creeks. Outdoor enthusiasts can enjoy fishing in Clear Lake for various fish species, including bass, catfish, and crappie. Hiking trails are also prevalent in the area, such as the Glen Eden Trail, which offers stunning views of the surrounding mountains and forests.