Complex sentence: The small town of Capitan, on the southwestern side of the mountains, is the location of Smokey Bear Historical Park, which memorializes the famous bear that was rescued from the Capitan Gap Fire in the Capitan Mountains.
Split into simpler sentences: The small town of Capitan is on the southwestern side of the mountain and is the location of Smokey Bear Historical Park. This is the park that memorializes the famous bear that was rescued from the Capitan Gap Fire in the Capitan Mountains.