Okamanpeedan Lake

Okamanpeedan Lake
Location Emmet County, Iowa / Martin County, Minnesota, US
Coordinates 43°30′20″N 94°34′30″W / 43.50556°N 94.57500°W / 43.50556; -94.57500Coordinates: 43°30′20″N 94°34′30″W / 43.50556°N 94.57500°W / 43.50556; -94.57500
Primary inflows East Fork of the Des Moines River
Primary outflows East Fork of the Des Moines River
Catchment area 120,056 acres (48,585 ha)
Basin countries United States
Surface area 2,300 acres (930 ha)
Surface elevation 1,227 feet (374 m)

Okamanpeedan (or Okamanpadu) Lake, partially located in Martin County, Minnesota, and Emmet County, Iowa, is also known as Tuttle Lake. Okamanpeedan Lake is a roughly 2,300-acre (9.3 km²) riverine lake located on the East Fork of the Des Moines River. It has an average depth of about four to six feet (1.2 to 1.8 m). The lake has a contributing watershed of approximately 120,056 acres (486 km²) and watershed:lake ratio on the order of about 50:1. The lake is situated in a glacial till plain and is generally in an area dominated by loamy, poorly drained soils. The area is primarily level but does have some rolling hills.

Okamanpeedan Lake was explored by Joseph Nicollet during his 1838 expedition. He recognized the native American name for the lake, which means "nesting place of the herons", because of the large number of herons nesting in tall trees along its shores.[1] Calvin Tuttle was the first settler along the lake, thus that became another name for this body of water.[2]

Okamanpeedan Lake houses a number of seasonal cabins mainly along the southwest shoreline. Permanent homes are located along the south shoreline. Okamanpeedan also boasts a large campground with a boat launch on the lake's southwest most shoreline with modern facilities. A state park maintained by the Iowa Department of Natural Resources is located on the body's southeast shoreline. The state park is home to Tuttle Lake Days generally in June or July of each year where local residents and cabin owners congregate on a Saturday of the month with food and prizes awarded. The lake usually has several residents who exhibit fireworks on the 4th of July each year which are enjoyed by all who attend.

Fish found in Okamanpeedan Lake include walleye, northern pike, crappie, yellow perch, bullhead, catfish and American Grass carp.[3]


  1. Pratt, LeRoy G (1975). Discovering Historic Iowa (PDF). Iowa State Dept. of Education. p. 76. Retrieved 24 January 2016.
  2. Upham, Warren (1920). Minnesota Geographic Names: Their Origin and Historic Significance, Volume 17. Minnesota Historical Society. p. 337. Retrieved 24 January 2016.
  3. "Fisheries Lake Survey". Okamanpeedan (Big Tuttle) - Fisheries Lake Survey. Minnesota DNR. Retrieved 24 January 2016.
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