Los Angeles's closest mountain retreats are Big Bear Lake and Lake Arrowhead, which lie east of the city less than two hours away.
Big Bear Lake and Lake Arrowhead are mountain resorts near Los Angeles. It is a very popular summer vacation spot.
mnli hypothesis: Big Bear Lake and Lake Arrowhead are mountain resorts near Los Angeles. It is a very popular summer vacation spot. premise: Los Angeles's closest mountain retreats are Big Bear Lake and Lake Arrowhead, which lie east of the city less than two hours away.