Roosevelt Lake

Cass County, Minnesota · MN DNR bathymetric survey

120ft Max
depth

1,511 acres 14 contours Public access

Paddling Index50Modest

Get directions

Depth scale

051530507090110120

The lake

Survey readout

Roosevelt Lake is mapped to a depth of 120 ft on the Minnesota DNR survey and covers about 1,511 acres in Cass County, Minnesota. Depths come from the Minnesota DNR survey of 1968.

Measured from the Minnesota DNR lake bathymetric contour survey.

Deepest mapped contour: 120 ft
Survey year: 1968
Surface area: 1,511 acres
Shoreline: 18.1 mi · irregular
Aquatic vegetation: 0% of surface · NDVI estimate
Public access: Trailer Launch · Roosevelt Lake Public Water Access Site · Minnesota DNR site

Additional depth details14 contours

Contour depths: 0–120 ft
Recorded point soundings: 120 ft, 70 ft, 50 ft, 50 ft

Compare with another lake

Location

Cass County, Minnesota · 15 nearest of 123 lakes · tap a dot for that lake

Chart data

Provenance

Sources: MN DNR Lake Bathymetric Contours, USGS 3DEP, USDA NAIP (public domain), OpenStreetMap (ODbL).

⚠ Not for navigation

Spot an error? Send a correction

Map details & sources4 sources

All layers registered to one bounding box; positions in WGS 84.

Survey-derived depth contours drape over USGS 3DEP elevation, with a USDA NAIP aerial basemap and OpenStreetMap shoreline. Color shows surveyed depth; dark lines are the survey's own isobaths.

Coordinates: 46.81725, -93.94973
MN DNR lake ID: 11004300
Vertical exaggeration: 1.4×
Basemap: USDA NAIP · public domain
Model size: 2.3 MB

Paddling

Paddling Index methodology v1.0 · calculated 2026-09-25

50 / 100ModestData confidence: High

Roosevelt Lake has a partly natural setting, notable open-water exposure, nearby higher-volume roads.

Why this score?5 components

Included in the index

Component	Rating	Points of weight	Measurement
Natural setting	Good	20.1 of 35	67% natural land cover within 150 m of shore (58% forest, 9% wetland; 24% developed)
Geometric wind exposure	Mixed	8.3 of 29	mean fetch 2,297 m · 4% of sampled water within 500 m of shelter · long fetch in some directions
Motor & speed rules	Not modeled	—	Minnesota’s lake-by-lake motor, speed and no-wake rules are mostly county and city ordinances, not map data, so they are not part of the Minnesota index. Check local signage and ordinances before going out.
Public access	Good	15.0 of 18	1 DNR public access site · boat ramp
Road isolation	Mixed	6.3 of 18	nearby higher-volume roads · 5 MnDOT-classified segments within 1.2 km, peak 2,849 vehicles/day

Additional paddling considerations

These describe the lake but are not part of the v1 Paddling Index and do not change the number above.

Wake sensitivity: Low — wide enough that wakes disperse over most of the lake
Aquatic vegetation: Low — approximately 0% mapped coverage · NAIP aerial imagery (NDVI)
Observed motorized activity: Unknown — No lake-level measurement of boat traffic is available. Legal permission to operate motors is not evidence of use.
Wildlife habitat potential: Moderate — 58% forest and 9% wetland cover within 150 m of shore

Compare Minnesota lakes by Paddling Index →

How this index is calculated. The Paddling Index is a relative composite derived from lake geometry and public land-cover, access and traffic-count data. It is not a user review, a safety rating, or a prediction of an individual outing. Differences of a few points should not be treated as meaningful — an 84 and an 82 are broadly comparable. Components and weights for Minnesota lakes: natural setting 35%, geometric wind exposure 29%, public access 18%, road isolation 18%. Motor, speed and no-wake rules are not modeled for Minnesota, and traffic counts cover state, county and some city roads but not township roads. Where a component has no data the remaining weights are renormalized and the confidence rating is lowered; below Medium confidence no number is shown. Minnesota scores are relative to other Minnesota lakes and are not directly comparable with Paddling Index scores on our sister sites, which use different data sources, some with a watercraft-rules component. Sources: MN DNR lake bathymetry outline, USGS/MRLC NLCD Land Cover (2021), MN DNR Water Access Sites and Fishing Piers & Shore Fishing Sites (2026-09) and MnDOT Annual Average Daily Traffic (counts 2015–2025). Conditions change quickly — check current weather and local conditions before going out.

Fish you might catch

from DNR surveys & active stocking

16 species with recent evidence in this lake — sized relative to each other. Illustrations are AI-generated representative adults in everyday colors, not photographs (provenance).

White Sucker

Hybrid Sunfish

About these fish → the Fish of Minnesota guide

Compiled from Minnesota DNR fishery surveys and Minnesota DNR stockings within the last 10 years. Silhouettes are stylized and scaled to typical adult sizes relative to one another. Presence is not a promise — fishing isn’t a sure thing.

Fishery

surveyed 2024

893Fish sampled

16Species

Gamefish Largemouth Bass 112 · Northern Pike 70 · Walleye 58 · Smallmouth Bass 19

Panfish Bluegill 337 · Black Crappie 63 · Rock Bass 47

All survey species16 species

Gamefish

Largemouth Bass112 caught · to 17″

Northern Pike70 caught · to 35″

Walleye58 caught · to 29″

Smallmouth Bass19 caught · to 20″

Bowfin10 caught · to 29″

Muskellunge2 caught · to 38″

Panfish

Bluegill337 caught · to 7″

Black Crappie63 caught · to 11″

Rock Bass47 caught · to 11″

Hybrid Sunfish44 caught · to 8″

Yellow Perch43 caught · to 8″

Pumpkinseed14 caught · to 8″

Green Sunfish9 caught · to 5″

Bullhead & catfish

Yellow Bullhead3 caught · to 10″

Forage & nongame

Cisco52 caught · to 11″

White Sucker10 caught · to 17″

Length is the largest fish netted in the survey, not an angler record. Source: Minnesota DNR lake survey (LakeFinder).

DNR stocking

state stocking record · 2016–2025

Fish the Minnesota DNR has planted in this lake — what was added, distinct from what a survey netted above.

Walleye41,860 stocked · 2017–2025 · 5 plantings

Muskellunge1,949 stocked · 2016–2024 · 5 plantings

Source: Minnesota DNR LakeFinder stocking report. LakeFinder lists the last 10 years of stocking only.

Infested waters listing

2 confirmed

Mussels & snails

Zebra MusselConfirmed in this water in 2025 (listed 2025).

Plants & algae

Eurasian WatermilfoilConfirmed in this water in 2016 (listed 2016).

How to identify invasive species in Minnesota lakes →

What does the infested waters list mean?

The Minnesota DNR lists a lake, river, pond or wetland as infested when it contains an aquatic invasive species that could spread to other waters, or when it is connected to a water where one is present. Activities such as bait harvest and water use are managed differently on infested waters. Check the current list before moving water, bait or equipment.

Source: Minnesota Department of Natural Resources. List of Infested Waters, September 9, 2026. https://www.dnr.state.mn.us/invasives/ais/infested.html

Quick answers

Roosevelt Lake — common questions

How deep is Roosevelt Lake?

The deepest contour on the Minnesota DNR bathymetric survey of Roosevelt Lake is 120 ft. That is the deepest depth the historical survey map records, which may differ from the deepest point of the lake itself.

How big is Roosevelt Lake?

Roosevelt Lake covers about 1,511 acres in Cass County, Minnesota.

What fish are in Roosevelt Lake?

Species with survey, catch or recent-stocking evidence include largemouth bass, muskellunge, northern pike, smallmouth bass, walleye, black crappie. The page lists all 16 species and the evidence behind each.

Is there public access to Roosevelt Lake?

Yes. The Minnesota DNR lists a public access site on Roosevelt Lake: a boat ramp with a boat dock and restrooms. It is administered by the DNR Division of Parks and Trails. DNR directions: "1 mile South of Outing on the West side of MN Hwy. 6."