Complex sentence: From west to east, the watersheds are the Capilano (19,545 hectares), the Seymour (12,375 hectares), and the Coquitlam (20,461 hectares) watersheds, which are located in the North Shore Mountains and Coquitlam Mountain, respectively.
Split into simpler sentences: From west to east, the watersheds are the Capilano (19,545 hectares), the Seymour (12,375 hectares), and the Coquitlam (20,461 hectares). They are located in the North Shore Mountains and Coquitlam Mountain, respectively.