(Huckleberry Hill, 35', 1968, pedestrian, 07-02-02) across pond outlet in Avon Countryside Park NW of Unionville, Avon Township, Hartford County, CT. CT4 NW 0.5 miles from jct with CT177 in Unionville, N. on Huckleberry Hill Rd. 1.7 miles to the park & bridge. (8-16-02, approximate) Photo by Mark Comstock.