Travelers are voting Schooleys Mountain, Sourland Mountain and Goffle Hill as the best of 23 mountain ranges in Union County. There are 37 mountain ranges near Montvale a city just 30 km from Union County and 52 mountain ranges near Hackettstown which is 30 km distant. The most popular of these are Goffle Hill near Montvale and Schooleys Mountain in Hackettstown. You can find 58 mountain ranges in New Jersey and 5143 mountain ranges in the country of United States. Our members favorite in New Jersey is Mount Tammany and Mount McKinley is the top pick in United States. Want more? Check out our map of mountain ranges in Union County.