Marble Lake Lookout
Status
Established
Year Established
1988
Location
Station
State
Minnesota
National Forest Regions
Eastern Region (R9)
Ecological and Physical Description
Size
120ac (49ha)
Elevation Range
1,640' (500m) - 1,765' (538m)
Temperature Range
-34°F (-37°C) - 99°F (37°C)
Primary Features
This RNA is notable for its old-growth northern hardwood forest and sensitive herbaceous species, including broad-leaved spring beauty (Claytonia caroliniana) and white baneberry (Actaea pachypoda). Hardwood species include, sugar maple (Acer saccharum), yellow birch (Betula alleghaniensis) and basswood (Tilia americana).
Annual Precipitation
Average annual precipitation is 29.09 inches (73.88), with 11.22 inches (28.5 cm) falling in summer. Average annual snowfall is 41.7 inches (105.9 cm).
Nearest Weather Station
The closest station is in Two Harbors, MN, which is located 18 air miles (29 km) south of the RNA.
Geology and Soils
The RNA is within the Highland Moraine. Soils are sandy over sandy, well drained, light colored soils.
Flora and Fauna
Common Plant Species
| Scientific Name | Common Name | Category | At Risk | Notes |
|---|---|---|---|---|
| Prunus virginiana | Choke-cherry | Common Shrub Species | ||
| Sambucus pubens | red-berried elder | Common Shrub Species | ||
| Acer spicatum | mountain maple | Common Shrub Species | ||
| Actaea pachypoda | White baneberry | Common Herbaceous Species | ||
| Claytonia caroliniana | broad-leaved spring beauty | Common Herbaceous Species |
Last updated February 23, 2023