Crestline, California is a small mountain community located in the San Bernardino Mountains. The climate in Crestline is mild with temperatures ranging from the 40s to 70s, making it ideal for outdoor activities year-round. The area's hydrology is dominated by the North Fork of the San Bernardino Creek and Silverwood Lake, which provide opportunities for fishing, boating, and swimming. Hiking and mountain biking are also popular activities in the area, with trails ranging from easy to difficult. The Pacific Crest Trail, which spans the western United States, passes through nearby Lake Arrowhead. Other popular outdoor recreation opportunities include skiing and snowboarding at nearby ski resorts during the winter months.