About Crestline CDP, California
Crestline is a census-designated place in San Bernardino County, California, United States. The population was 10,770 at the 2010 census. Crestline is located in the San Bernardino Mountains.
The community of Crestline is split between two incorporated cities, Lake Arrowhead to the east and Twin Peaks to the west. Crestline proper consists of three neighborhoods: East Fork, Crestmont, and West Fork. The East Fork neighborhood includes the Skyforest community.
Crestline is home to a number of summer camps, including Camp Oakes, Camp Silverwood, and YMCA Camp Whittle. There are also several private camps, such as Alpine Meadows Camp and Camp Run-A-Muk.