Complex sentence: Two forks rise in the Berkeley Hills, part of the California Coast Ranges, forming a confluence at the campus of the University of California, Berkeley, then running westward across the city to discharge into San Francisco Bay.
Split into simpler sentences: Two forks rise in the Berkeley Hills of the California Coast Ranges, and form a confluence at the campus of the University of California, Berkeley. The creek then flows westward across the city to discharge into San Francisco Bay.