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St. Mary's, ColoradoPhoto: Jeffrey Beall · CC BY 4.0
–Not graded
Outdoors in St. Mary's

Few 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
12%
111 acres · of 1.4 sq mi of land
Trails
0.5 mi
0.3 per sq mi of land
Near a park
under 1%
of residents within ½ mile
Bike routes
1.9 mi
Lakes & rivers
2
The map

Conserved land, trails & bike routes

Tap a number to zoom to a park. Tap a layer to hide it.

1
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 Arapaho National Forest, with 0.5 miles. Directions go to the nearest trailhead or public parking.

Arapaho National Forest

Managed by United States Forest Service
922 acres0.5 mi of trail
Canyon CourtFox Court
Dog rules not recorded
Directionsto the trailheadWebsite ↗
Who protects it

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.

U.S. Forest Service111 ac
National Forest · 111 ac
The biggest protected parcels
Parcel (PAD-US)Managed byAcresPublic access
Arapaho National Forest
National Forest
U.S. Forest Service111Open
Things to do

1 places to go in St. Mary's

Beaches, playgrounds, peaks, falls and more. Pick a kind.

Waterfalls in St. Mary's

1 waterfall without a name on the map. Tap “Show all on map” to see it.

Trails & water

1 named trail and 2 lakes & rivers

Named trails
Canyon Court0.1 mi
Lakes & rivers tap for directions
Biking & sports

1.9 miles of bike routes

Bike lanes are often missing from the map in smaller towns, so that number is likely low.

1.9 mi
shoulders & shared lanes
When to get out

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.

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight (h)9.610.611.813.214.415.014.713.712.411.19.99.4
High (°F)313340465566716962503931
Rain (in)1.41.72.33.22.61.62.42.21.81.61.41.4

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.

Town Square →
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 →