Lake Arrowhead and Big Bear Lake, situated about an hour's drive east in the San Bernardino National Forest, consist of rugged mountain terrain.
Lake Arrowhead sits an hour east, in San Bernardino National Forest.
mnli hypothesis: Lake Arrowhead sits an hour east, in San Bernardino National Forest. premise: Lake Arrowhead and Big Bear Lake, situated about an hour's drive east in the San Bernardino National Forest, consist of rugged mountain terrain.