Travelers are voting Air Line State Park Trail, Larkin State Park Trail and Regicides Trail as the best of 3 trails in New Haven County. There are 2 trails near Niantic a city just 30 km from New Haven County and 3 trails near Roxbury which is 30 km distant. The most popular of these are Air Line State Park Trail near Niantic and Larkin State Park Trail in Roxbury. You can find 5 trails in Connecticut and 2360 trails in the country of United States. Our members favorite in Connecticut is Air Line State Park Trail and El Camino Real de Tierra Adentro is the top pick in United States. Want more? Check out our map of trails in New Haven County.