Lowell Lake State Park is a day use state park on 102-acre Lowell Lake in Londonderry, Vermont. Activities includes hiking, non-motorized boating, fishing, picnicking, wildlife watching, and winter sports. There is an informal car top boat launch but no restroom or other facilities. The Lowell Lake Trail is a loop approximately 3.5 miles in length, which encircles the lake. Along the trail is a Revolutionary War-era cemetery.