Photo: Jeffrey Beall · CC BY 4.0Few parks or trails are on the map in St. Mary's
The biggest trail networks: Arapaho National Forest (0.5 mi). 12% of St. Mary's’ land is conserved, about 111 acres. 0.5 miles of mapped trail cross St. Mary's, 0.3 per square mile of land.
Conserved land, trails & bike routes
Tap a number to zoom to a park. Tap a layer to hide it.
Pick a walk
The longest trail network is Arapaho National Forest, with 0.5 miles. Directions go to the nearest trailhead or public parking.
111 conserved acres
12% of St. Mary's’ land. Who manages St. Mary's’s conserved land, from the USGS Protected Areas Database. Approximate, because parcels can overlap.
| Parcel (PAD-US) | Managed by | Acres | Public access |
|---|---|---|---|
| Arapaho National Forest National Forest | U.S. Forest Service | 111 | Open |
1 places to go in St. Mary's
Beaches, playgrounds, peaks, falls and more. Pick a kind.
1 waterfall without a name on the map. Tap “Show all on map” to see it.
1 named trail and 2 lakes & rivers
1.9 miles of bike routes
Bike lanes are often missing from the map in smaller towns, so that number is likely low.
The best walking months in St. Mary's: June to August
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) | 9.6 | 10.6 | 11.8 | 13.2 | 14.4 | 15.0 | 14.7 | 13.7 | 12.4 | 11.1 | 9.9 | 9.4 |
| High (°F) | 31 | 33 | 40 | 46 | 55 | 66 | 71 | 69 | 62 | 50 | 39 | 31 |
| Rain (in) | 1.4 | 1.7 | 2.3 | 3.2 | 2.6 | 1.6 | 2.4 | 2.2 | 1.8 | 1.6 | 1.4 | 1.4 |
December is the driest month (1.4 in) and July the warmest (highs of 71 °F). 3.2 inches fall in April, the wettest month. The climate in St. Mary's →
Questions about parks and trails in St. Mary's
Where can I hike in St. Mary's?
The longest trail networks: Arapaho National Forest, 0.5 miles. Each one is on the map above, with directions to the nearest trailhead or parking.
Are dogs allowed on St. Mary's’ trails?
Arapaho National Forest doesn’t have dog rules recorded on the map; check the signs at the trailhead.
Where can I bike in St. Mary's?
1.9 miles of bike routes are on the map: 1.9 of shoulders and shared lanes.
Is there public land near St. Mary's?
86,876 acres of parks and open public land lie inside St. Mary's or within 10 miles of it (PAD-US), 116 of them inside the town line.
Trail talk
Conditions, parking and favorite walks from St. Mary's neighbors.
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 →