Hopatcong Hills topographic map
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![Sperry Springs topographic map, elevation, terrain](/pub/maps/node/br57/lzg3ptp/icon.jpg)
Sperry Springs
United States > New Jersey > Sussex County > Hopatcong
Sperry Springs, Hopatcong, Sussex County, New Jersey, 07837, United States
Average elevation: 302 m
![Sister Islands topographic map, elevation, terrain](/pub/maps/way/f2z4/bk6xbz4/icon.jpg)
Sister Islands
United States > New Jersey > Sussex County > Hopatcong
Sister Islands, Hopatcong, Sussex County, New Jersey, United States
Average elevation: 302 m