How is Colgan Creek connected to the Laguna de Santa Rosa? Find out on a leisurely 2.5-mile walk along Colgan Creek Trail! Enjoy snacks and a brief overview, then, carpool to the trail to explore cultural and natural history, observe plant and animal life along an urban fringe, and get outdoors together - rain or shine! There is a $10 fee and registration is required. For more information, contact the Laguna Environmental Center by phone at (707) 527-9277 x110.