Upper Souris Wildlife Refuge
Managed by United States Fish and Wildlife Service
6,522 acres32.6 mi of trail
184th Avenue Northwest170th Street Northwest170th Avenue Northwest
Dog rules not recorded
Directionsto the trailheadWebsite ↗
–Not graded
Outdoors in St. Marys Township
Few parks or trails are on the map in St. Marys Township
The biggest trail networks: Upper Souris Wildlife Refuge (32.6 mi). 32% of St. Marys Township’s land is conserved, about 7,082 acres. 55 miles of mapped trail cross St. Marys Township, 1.6 per square mile of land.
Conserved land
32%
7,082 acres · of 34.9 sq mi of land
Trails
55 mi
1.6 per sq mi of land
Near a park
under 1%
of residents within ½ mile
Lakes & rivers
1
1 boat launch
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 32.6 miles. Directions go to the nearest trailhead or public parking.
Who protects it
7,082 conserved acres
32% of St. Marys Township’s land. Who manages St. Marys Township’s conserved land, from the USGS Protected Areas Database. Approximate, because parcels can overlap.
U.S. Fish and Wildlife Service13,600 ac
State land board2 ac
National Wildlife Refuge · 13,041 acConservation Easement · 559 acState Resource Management Area · 2 ac
Good to know
Conserved doesn’t always mean open to visitors. 559 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 | 13,041 | Restricted |
| Nd State Lands - Surface Ownership State Resource Management Area | State land board | 2 | Open |
Things to do
1 places to go in St. Marys Township
Beaches, playgrounds, peaks, falls and more. Pick a kind.
Boat launches in St. Marys Township
1 boat launch without a name on the map. Tap “Show all on map” to see it.
Trails & water
8 named trails and 1 lakes & rivers
Named trails
Unpaved · 55.2 mi
170th Street Northwest2.6 mi
170th Avenue Northwest2.4 mi
100th Street Northwest1.3 mi
184th Avenue Northwest1.3 mi
142nd Avenue Northwest1.0 mi
156th Avenue Northwest1.0 mi
142nd Street Northwest1.0 mi
198th Avenue Northwest0.7 mi
Lakes & rivers tap for directions
When to get out
The best walking months in St. Marys Township: May, August and 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 | 15.7 | 14.3 | 12.5 | 10.7 | 9.1 | 8.3 |
| High (°F) | 19 | 24 | 36 | 53 | 67 | 75 | 81 | 81 | 71 | 54 | 36 | 24 |
| Rain (in) | 0.4 | 0.4 | 0.6 | 1.0 | 2.5 | 3.4 | 2.6 | 1.9 | 1.6 | 1.3 | 0.7 | 0.5 |
February is the driest month (0.4 in) and August the warmest (highs of 81 °F). 3.4 inches fall in June, the wettest month. The climate in St. Marys Township →
Next door
St. Marys Township and its neighbors
St. Marys Township has the most mapped trails of the 6 towns around it. Tap a town to see its outdoors.
St. Marys Township55 miMuskego Township42 miKirkelie Township37 miMayland Township36 miWaterford Township34 miFoxholm Township29 mi
| Town | Conserved of land | Trail mi per sq mi | Park acres per 1,000 | Near a park ½ mile | Outdoors |
|---|---|---|---|---|---|
| St. Marys Township | — not graded: under 1,000 residents or part of its town | ||||
| Mayland Township | — not graded: under 1,000 residents or part of its town | ||||
| Foxholm Township | — not graded: under 1,000 residents or part of its town | ||||
| Waterford Township | 7% | 1.0 | 4 | 46% | B− |
| Muskego Township | — not graded: under 1,000 residents or part of its town | ||||
| Kirkelie 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 St. Marys Township
Where can I hike in St. Marys Township?
The longest trail networks: Upper Souris Wildlife Refuge, 32.6 miles. Each one is on the map above, with directions to the nearest trailhead or parking.
Are dogs allowed on St. Marys 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 St. Marys Township?
1,011 acres of parks and open public land lie inside St. Marys 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 St. Marys 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 →