Gruber State Game Management Area
Managed by Oklahoma Department of Wildlife Conservation
2,388 acres15.1 mi of trail
Greenleaf Trail
Dog rules not recorded
No trailhead mapped yet
–Not graded
Outdoors in Sour John
Few parks or trails are on the map in Sour John
The biggest trail networks: Gruber State Game Management Area (15.1 mi), Greenleaf State Park (0.5 mi). 103 acres are parks and preserves, 1,287 per 1,000 residents. 16 miles of mapped trail cross Sour John, 2.8 per square mile of land.
Conserved land
1%
22 acres · of 5.7 sq mi of land
Trails
16 mi
2.8 per sq mi of land
Park land
103 ac
1,287 acres per 1,000 residents
Near a park
30%
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.
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 Gruber State Game Management Area, with 15.1 miles. Directions go to the nearest trailhead or public parking.
Greenleaf State Park
Park
113 acres0.5 mi of trail
Greenleaf Trail
Dog rules not recorded
No trailhead mapped yetWebsite ↗
Who protects it
22 conserved acres
1% of Sour John’s land. Who manages Sour John’s conserved land, from the USGS Protected Areas Database. Approximate, because parcels can overlap.
State parks22 ac
State Park · 22 ac
The biggest protected parcels
| Parcel (PAD-US) | Managed by | Acres | Public access |
|---|---|---|---|
| Greenleaf State Park State Park | State parks | 22 | Open |
Trails & water
1 named trail
Named trails
Greenleaf Trail10.9 mi
When to get out
The walking year in Sour John
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) | 10.0 | 10.8 | 11.9 | 13.0 | 14.0 | 14.6 | 14.3 | 13.5 | 12.3 | 11.2 | 10.2 | 9.8 |
| High (°F) | 50 | 55 | 63 | 72 | 79 | 87 | 93 | 92 | 85 | 74 | 62 | 52 |
| Rain (in) | 2.5 | 2.5 | 3.9 | 5.2 | 5.7 | 4.6 | 3.9 | 3.6 | 4.6 | 4.4 | 3.8 | 3.2 |
February is the driest month (2.5 in) and July the warmest (highs of 93 °F). 5.7 inches fall in May, the wettest month. Summer highs reach 93 °F, too hot for the outline. The climate in Sour John →
Questions about parks and trails in Sour John
Where can I hike in Sour John?
The longest trail networks: Gruber State Game Management Area, 15.1 miles; Greenleaf State Park, 0.5 miles. Each one is on the map above, with directions to the nearest trailhead or parking.
Are dogs allowed on Sour John’s trails?
Gruber State Game Management Area and Greenleaf State Park don’t have dog rules recorded on the map; check the signs at the trailhead.
Is there public land near Sour John?
2,526 acres of parks and open public land lie inside Sour John or within 10 miles of it (PAD-US), 103 of them inside the town line.
Trail talk
Conditions, parking and favorite walks from Sour John 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 →