Lake Ketchum GPA
Managed by South Dakota Department of Game, Fish, and Parks
174 acres0.4 mi of trail
Dog rules not recorded
No trailhead mapped yet
–Not graded
Outdoors in Altamont Township
More than half of Altamont Township’s land is conserved: 67%
67% of Altamont Township’s land is conserved, about 15,574 acres. 702 acres are parks and preserves, 11,137 per 1,000 residents. 2.5 miles of mapped trail cross Altamont Township, 0.1 per square mile of land.
Conserved land
67%
15,574 acres · of 36.6 sq mi of land
Trails
2.5 mi
0.1 per sq mi of land
Park land
702 ac
11,137 acres per 1,000 residents
Near a park
20%
of residents within ½ mile
Lakes & rivers
6
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 Lake Ketchum GPA, with 0.4 miles. Directions go to the nearest trailhead or public parking.
Crystal Springs GPA
Managed by South Dakota Department of Game, Fish, and Parks
512 acres0.2 mi of trail
Dog rules not recorded
No trailhead mapped yet
Rush Lake GPA
Managed by South Dakota Department of Game, Fish, and Parks
323 acres
Dog rules not recorded
No trailhead mapped yet
Mitchell GPA
Managed by South Dakota Department of Game, Fish, and Parks
234 acres
Dog rules not recorded
No trailhead mapped yet
All 10 parks & preserves
Lake Ketchum GPA174 acres · 0.4 mi of trail · South Dakota Department of Game, Fish, and Parks
Crystal Springs GPA512 acres · 0.2 mi of trail · South Dakota Department of Game, Fish, and Parks
Rush Lake GPA323 acres · South Dakota Department of Game, Fish, and Parks
Mitchell GPA234 acres · South Dakota Department of Game, Fish, and Parks
Altamont GPA209 acres · South Dakota Department of Game, Fish, and Parks
Miller WPA188 acres · United States Fish and Wildlife Service
Stoltenburg WPA80 acres · United States Fish and Wildlife Service
Roe WPA23 acres · United States Fish and Wildlife Service
Coteau Island State Public Shooting Area9 acres
Lake Alice GPA6 acres · South Dakota Department of Game, Fish, and Parks
Who protects it
15,574 conserved acres
67% of Altamont Township’s land. Water is left out: Altamont Township has 36.6 square miles of land and 3.2 of water, so the share counts land only. Who manages Altamont Township’s conserved land, from the USGS Protected Areas Database. Approximate, because parcels can overlap.
U.S. Fish and Wildlife Service21,477 ac
State fish & wildlife2,137 ac
USDA easements (NRCS)152 ac
Conservation Easement · 21,057 acState Conservation Area · 1,140 acState Recreation Area · 996 acResource Management Area · 572 ac
Good to know
Conserved doesn’t always mean open to visitors. 13,151 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 |
|---|---|---|---|
| Coteau Lakes Game Production Area State Recreation Area | State fish & wildlife | 680 | Open |
| Deuel County Waterfowl Production Area Resource Management Area | U.S. Fish and Wildlife Service | 572 | Restricted |
| Crystal Springs State Conservation Area | State fish & wildlife | 518 | Restricted |
| Rush Lake State Recreation Area | State fish & wildlife | 317 | Open |
| Mitchell State Conservation Area | State fish & wildlife | 240 | Restricted |
| Altamont State Conservation Area | State fish & wildlife | 201 | Restricted |
| Lake Ketchum State Conservation Area | State fish & wildlife | 174 | Restricted |
| Lake Alice Wildlife Management Area State Conservation Area | State fish & wildlife | 7 | Restricted |
Things to do
1 places to go in Altamont Township
Beaches, playgrounds, peaks, falls and more. Pick a kind.
Boat launches in Altamont Township
1 boat launch without a name on the map. Tap “Show all on map” to see it.
Trails & water
6 lakes & rivers
Lakes & rivers tap for directions
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
1Equestrian
Includes school and college facilities, which aren’t always open to the public.
When to get out
September is the best month for walking in Altamont Township
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) | 9.1 | 10.4 | 11.8 | 13.4 | 14.8 | 15.6 | 15.3 | 14.0 | 12.5 | 10.9 | 9.5 | 8.8 |
| High (°F) | 21 | 26 | 38 | 53 | 67 | 76 | 81 | 78 | 71 | 56 | 40 | 27 |
| Rain (in) | 0.7 | 0.7 | 1.4 | 2.7 | 3.4 | 4.1 | 3.5 | 3.3 | 2.8 | 2.3 | 1.1 | 0.9 |
January is the driest month (0.7 in) and July the warmest (highs of 81 °F). 4.1 inches fall in June, the wettest month. The climate in Altamont Township →
Next door
Altamont Township and its neighbors
Altamont Township has the second most mapped trails of the 4 towns around it. Tap a town to see its outdoors.
| Town | Conserved of land | Trail mi per sq mi | Park acres per 1,000 | Near a park ½ mile | Outdoors |
|---|---|---|---|---|---|
| Altamont Township | — not graded: under 1,000 residents or part of its town | ||||
| Goodwin Township | — not graded: under 1,000 residents or part of its town | ||||
| Clear Lake Township | — not graded: under 1,000 residents or part of its town | ||||
| Glenwood 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 Altamont Township
Where can I hike in Altamont Township?
The longest trail networks: Lake Ketchum GPA, 0.4 miles; Crystal Springs GPA, 0.2 miles. Each one is on the map above, with directions to the nearest trailhead or parking.
Are dogs allowed on Altamont Township’s trails?
Lake Ketchum GPA and Crystal Springs GPA don’t have dog rules recorded on the map; check the signs at the trailhead.
Is there public land near Altamont Township?
1,757 acres of parks and open public land lie inside Altamont Township or within 10 miles of it (PAD-US), 702 of them inside the town line.
Trail talk
Conditions, parking and favorite walks from Altamont 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 →