Ottawa Bluffs

               
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Area and County

Le Sueur County

 

 

 


Size

62 acres

Printable map
 
Maps

Printable Map with GPS coordinates

 
Parking

N44 21.788, W93 56.062

 
Hiking Trails

There are no maintained trails.

 
Hunting

No hunting


Ecological Classification

Province

Eastern Broadleaf Forest Province

Ecological Classification

Section

Minnesota & NE Iowa Morainal

Subsection(s)

Big Woods

Land Type Association(s)

Cordova Moraine
Le Sueur Alluvial Plain

 
Native Plant Communities1

Dry Hill Prairie (Southern)

Pin Oak - Bur Oak Woodland

 
Natural Features

Prairie, oak savanna, oak woodland


Ownership The Nature Conservancy logo    
 
Links

The Nature Conservancy

Minnesota River Valley National Scenic Byway

 
Comments

Overview
The 62-acre Ottawa Bluffs Preserve consists of a patchwork of dry hill prairie and oak woodland on a steep bluff of the Minnesota River Valley. Visitors who undertake the steep and strenuous climb to the top of the bluff will be rewarded with an expansive view of the Minnesota River Valley and the town of St. Peter. An American Indian burial mound is at the top of the bluff. Western harvest mouse and a species of jumping spider, both species of special concern, and five state listed plant species have been found on the preserve.

The site has been owned since 1975 by The Nature Conservancy (TNC). The hill prairie, unsuitable for farming or pasture, remains mostly undisturbed by man. The previous owner began building a road from the bluff top to the base, but abandoned the effort less than half completed. The former roadbed is now grassy prairie and an eroded ravine. Decades of fire suppression have allowed woody species to encroach on and eliminate parts of the native prairie. Since 1989, volunteers for TNC have been working to remove juniper and other invasive woody species; check further erosion of the ravine; and restore a small part of oak woodland to its pre-settlement condition, oak savanna.


Visits

9/17/2004

  10/9/2014

 

 

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Parking

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East Wood Routed Sign

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West Wood Routed Sign

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Nature Conservancy Mailbox with Visitor Log

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Information Sign

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View from the Top

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Oak Savanna Restoration

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Dry Hill Prairie (Southern)

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Pin Oak - Bur Oak Woodland

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Other Videos

 
  Minnesota River Final Draft 4112.wmv
iliketheoutdoors
 
   
 
About

Published on Apr 5, 2012

A 26 mile journey from Mankato to the Ottawa Bluffs

 
     

 

Camcorder

               

Visitor Observations

   
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MinnesotaSeasons.com Observations

   

Amphibians northern leopard frog (Rana pipiens) northern leopard frog

Birds

American Robin (Turdus migratorius)

Cedar Waxwing (Bombycilla cedrorum)

Northern Cardinal (Cardinalis cardinalis)

Northern Cardinal

Fungi and Lichens Fan-shaped Jelly Fungus (Dacryopinax spathularia) Fan-shaped Jelly Fungus

Insects and Arachnids

One arachnid species with conservation status in Minnesota has been seen here:

 

Special concern

a species of jumping spider (Habronattus texanus)

 
 

monarch (Danaus plexippus)

monarch

Mammals

One mammal species with conservation status in Minnesota has been seen here:

 

Special concern

western harvest mouse (Reithrodontomys megalotis)


Plants

In early April American pasqueflower can be found on the south-facing slopes of the prairie.

 
 

Five plant species with conservation status in Minnesota are found here:

 

Endangered

butternut (Juglans cinerea)

 

Special concern

beaked spike-rush (Eleocharis rostellata)

hair-like beak-rush (Rhynchospora capillacea)

sterile sedge (Carex sterilis)

whorled nut-rush (Scleria verticillata)

 
 

Minnesota Biodiversity Atlas Plant List

 
 

Plants frequently found in:

Dry Hill Prairie (Southern) UPs13d

Pin Oak - Bur Oak Woodland FDs37b

 
 

black-eyed susan

Canadian woodnettle

common mullein

leadplant

prairie rose

silky aster

white snakeroot

 


 

 

Binoculars

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