Lagunitas, California is a small unincorporated community located in Marin County, in the western part of the state. It is situated in the picturesque Lagunitas Creek watershed, surrounded by lush forests and rolling hills. The climate in Lagunitas is typically Mediterranean, characterized by mild, wet winters and warm, dry summers. The region experiences moderate temperatures throughout the year, with average highs ranging from the mid-50s°F (10-13°C) in winter to the mid-80s°F (around 30°C) in summer.

The hydrology of Lagunitas is primarily influenced by Lagunitas Creek, a vital tributary of the larger San Geronimo Creek. This waterway is known for its diverse wildlife and serves as a crucial habitat for the federally endangered coho salmon and steelhead trout.

Outdoor recreation opportunities abound in Lagunitas, attracting nature enthusiasts. The area offers numerous hiking trails, including the popular Mount Tamalpais State Park with its stunning views of the surrounding landscapes. Visitors can explore the Lagunitas Creek Watershed, enjoying activities such as fishing, picnicking, and birdwatching. For those seeking a more adventurous experience, Lagunitas also provides opportunities for mountain biking, horseback riding, and camping in its natural surroundings.