Walk along the Charles River to the historic Waban Arches built in 1876 to carry water to Boston and see the picturesque view of the Charles River from the top of the 50 ft. arches. Take an optional short walk thru the Guernsey Sanctuary to Sabrina Lake, the 1870’s site of an amusement park. Meet at 10 a.m. at the Guernsey parking area. Take Dover Road from Washington Street and follow for 0.7 mi. Turn right onto Livingston Road, which becomes Winding River Road, and follow for 0.9 mi. Parking area is on your left at the trail map house.