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Keystone South Dakota business district 3-3-2012Photo: TravelingOtter · CC BY 2.0
–Not graded
Outdoors in Keystone

Few parks or trails are on the map in Keystone

39% of Keystone’s land is conserved, about 756 acres. 2.1 miles of mapped trail cross Keystone, 0.7 per square mile of land.

Conserved land
39%
756 acres · of 3.0 sq mi of land
Trails
2.1 mi
0.7 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.

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 Watson City Park, with 0.3 miles. Directions go to the nearest trailhead or public parking.

Watson City Park

Park
7 acres0.3 mi of trail
Dog rules not recorded
Directionsto the parking lot
Who protects it

756 conserved acres

39% of Keystone’s land. Who manages Keystone’s conserved land, from the USGS Protected Areas Database. Approximate, because parcels can overlap.

U.S. Forest Service750 ac
National Park Service5 ac
National Forest · 750 acHistoric or Cultural Area · 5 ac
The biggest protected parcels
Parcel (PAD-US)Managed byAcresPublic access
Black Hills National Forest
National Forest
U.S. Forest Service750Open
Mount Rushmore National Memorial
Historic or Cultural Area
National Park Service5Restricted
Things to do

2 places to go in Keystone

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

Campgrounds in Keystone
Kemp's Kamp
Directions
Trails & water

1 named trail

Named trails
Unpaved · 0.8 mi
FR4840.4 mi
Biking & sports

0.0 miles of bike routes

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

Courts & fields
1Baseball
1Tennis
1Basketball

Includes school and college facilities, which aren’t always open to the public.

History along the way

4 places on the National Register

The country’s official list of places worth saving (National Park Service). The map also marks 1 historic points from OpenStreetMap: plaques, memorials and old buildings.

History →
Mount Rushmore National MemorialDistrict · listed 1966
About it
Keystone SchoolBuilding · listed 1981
About it
Keystone Trading Company StoreBuilding · listed 1982
About it
Lewis Byron HouseBuilding · listed 1982
About it
When to get out

The best walking months in Keystone: 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.

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight (h)9.210.411.813.414.715.415.214.012.410.99.68.9
High (°F)383846536273818071574638
Rain (in)0.40.61.12.44.33.53.32.31.61.60.60.4

January is the driest month (0.4 in) and July the warmest (highs of 81 °F). 4.3 inches fall in May, the wettest month. The climate in Keystone →

Questions about parks and trails in Keystone

Where can I hike in Keystone?

The longest trail networks: Watson City Park, 0.3 miles. Each one is on the map above, with directions to the nearest trailhead or parking.

Are dogs allowed on Keystone’s trails?

Watson City Park doesn’t have dog rules recorded on the map; check the signs at the trailhead.

Is there public land near Keystone?

127,825 acres of parks and open public land lie inside Keystone or within 10 miles of it (PAD-US), 408 of them inside the town line.

Trail talk

Conditions, parking and favorite walks from Keystone 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 →