Complex sentence: Boulder Creek is noted for a set of surface hot springs commonly known as the Pebble Creek Hot Springs and Keyhole Hot Springs and rarely Boulder Creek Hot Springs, It ise related to volcanism of the Mount Meager massif which last erupted about 2,350 years ago.
Split into simpler sentences: Boulder Creek is noted for a set of surface hot springs commonly known as the Pebble Creek Hot Springs and Keyhole Hot Springs and rarely Boulder Creek Hot Springs. They are related to volcanism of the Mount Meager massif which last erupted about 2,350 years ago.