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About us: Facilities

Flat Iron Lake Nature Preserve

Flat Iron Lake photo gallery

Recently donated to Calvin College by Fritz Rottman ’59 and his wife Carol, this 65 acre preserve includes these features:

  • 25-acre kettle lake
  • deciduous forest with vernal pools
  • 20-acre created prairie
  • nature center and research facility used by biology classes and summer research students
  • located 25 miles north of Calvin's campus