Groen Nature Preserve
| Website: | Groen Nature Preserve |
| Map: | Groen Nature Preserve |
| Owner: | Otsego County |
| Address: | 2043 Gingell Road, Johannesburg |
| Size: | 800 Acres |
| Avg Temp: | (Nov) 28 F° → 42 F°  |
| Attributes: |      |
Facilities |
Entrance Lat, Lon: 45.0004, -84.47186  |