Upper Souris Wildlife Refuge
Managed by United States Fish and Wildlife Service
2,895 acres6.7 mi of trail
Dog rules not recorded
No trailhead mapped yetWebsite ↗
–Not graded
Outdoors in Grassland Township
Few parks or trails are on the map in Grassland Township
The biggest trail networks: Upper Souris Wildlife Refuge (6.7 mi). 37% of Grassland Township’s land is conserved, about 7,965 acres. 42 miles of mapped trail cross Grassland Township, 1.3 per square mile of land.
Conserved land
37%
7,965 acres · of 33.3 sq mi of land
Trails
42 mi
1.3 per sq mi of land
Near a park
under 1%
of residents within ½ mile
The map
Conserved land, trails & bike routes
Tap a number to zoom to a park. Tap a layer to hide it.
Easements protect land from building but are usually private.© OpenStreetMap contributors · USGS PAD-US
Places to walk
Pick a walk
The longest trail network is Upper Souris Wildlife Refuge, with 6.7 miles. Directions go to the nearest trailhead or public parking.
Who protects it
7,965 conserved acres
37% of Grassland Township’s land. Water is left out: Grassland Township has 33.3 square miles of land and 2.5 of water, so the share counts land only. Who manages Grassland Township’s conserved land, from the USGS Protected Areas Database. Approximate, because parcels can overlap.
U.S. Fish and Wildlife Service10,306 ac
Conservation Easement · 5,621 acNational Wildlife Refuge · 4,610 acResource Management Area · 75 ac
Good to know
Conserved doesn’t always mean open to visitors. 5,621 acres are conservation easements, usually private land. The walks above are places people visit.
The biggest protected parcels
| Parcel (PAD-US) | Managed by | Acres | Public access |
|---|---|---|---|
| Upper Souris National Wildlife Refuge National Wildlife Refuge | U.S. Fish and Wildlife Service | 4,610 | Restricted |
| Renville County Waterfowl Production Area Resource Management Area | U.S. Fish and Wildlife Service | 75 | Restricted |
Things to do
1 places to go in Grassland Township
Beaches, playgrounds, peaks, falls and more. Pick a kind.
Boat launches in Grassland Township
1 boat launch without a name on the map. Tap “Show all on map” to see it.
Trails & water
9 named trails
Named trails
Unpaved · 42.2 mi
89th Street Northwest5.9 mi
40th Avenue Northwest3.8 mi
43rd Avenue Northwest3.2 mi
87th Street Northwest3.0 mi
42nd Avenue Northwest2.6 mi
85th Street Northwest2.1 mi
44th Avenue Northwest2.0 mi
46th Avenue Northwest1.3 mi
90th Street Northwest1.0 mi
When to get out
The best walking months in Grassland Township: May and July to September
NOAA’s 1991–2020 normals for the town and the daylight at its latitude. Outlined months have long days, highs of 59 to 86 °F and little rain for the place.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 8.7 | 10.1 | 11.7 | 13.6 | 15.2 | 16.1 | 15.8 | 14.3 | 12.5 | 10.7 | 9.1 | 8.3 |
| High (°F) | 18 | 23 | 35 | 53 | 66 | 75 | 81 | 80 | 70 | 53 | 35 | 22 |
| Rain (in) | 0.4 | 0.4 | 0.6 | 1.0 | 2.3 | 3.5 | 2.6 | 1.9 | 1.6 | 1.2 | 0.6 | 0.6 |
January is the driest month (0.4 in) and July the warmest (highs of 81 °F). 3.5 inches fall in June, the wettest month. The climate in Grassland Township →
Next door
Grassland Township and its neighbors
Grassland Township has the second most mapped trails of the 5 towns around it. Tap a town to see its outdoors.
Clay Township51 miGrassland Township42 miHamlet Township39 miRoosevelt Township37 miCallahan Township37 mi
| Town | Conserved of land | Trail mi per sq mi | Park acres per 1,000 | Near a park ½ mile | Outdoors |
|---|---|---|---|---|---|
| Grassland Township | — not graded: under 1,000 residents or part of its town | ||||
| Roosevelt Township | — not graded: under 1,000 residents or part of its town | ||||
| Clay Township | — not graded: under 1,000 residents or part of its town | ||||
| Callahan Township | — not graded: under 1,000 residents or part of its town | ||||
| Hamlet Township | — not graded: under 1,000 residents or part of its town | ||||
The four inputs of the Outdoors grade, from the engine; shares are of land, not water.
Questions about parks and trails in Grassland Township
Where can I hike in Grassland Township?
The longest trail networks: Upper Souris Wildlife Refuge, 6.7 miles. Each one is on the map above, with directions to the nearest trailhead or parking.
Are dogs allowed on Grassland Township’s trails?
Upper Souris Wildlife Refuge doesn’t have dog rules recorded on the map; check the signs at the trailhead.
Is there public land near Grassland Township?
574 acres of parks and open public land lie inside Grassland Township or within 10 miles of it (PAD-US), almost none of it inside the town line.
Trail talk
Conditions, parking and favorite walks from Grassland Township neighbors.
Share a tip
Sources
Where this page comes from
Conserved and public land: USGS Protected Areas Database of the United States (PAD-US), service updated July 2026. Parks, trails, playgrounds, beaches and other places: OpenStreetMap (© OpenStreetMap contributors, ODbL), map data as of 2026-10-28. Land and water area: Census 2025 Gazetteer. Residents near a park: 2020 Census blocks. National Register: National Park Service. How TownRatings grades the outdoors →