Gaston, Oregon is located in Washington County and has a mild climate with an average temperature of 54 degrees Fahrenheit. The area receives an average of 44 inches of rainfall annually. Hydrology constituents in Gaston consist of the Tualatin River and its tributaries, including Gales Creek and Dairy Creek. These waterways provide opportunities for fishing, boating, and swimming. Additionally, Gaston has several parks and trails for outdoor recreation, such as the Hagg Lake Trail and the Hagg Lake Park, which provide hiking, biking, and horseback riding opportunities. Overall, Gaston offers a variety of outdoor activities for those looking to explore the scenic beauty of the Pacific Northwest.