Big Eau Pleine County Park
Park
874 acres5.5 mi of trail
West Unit Trail
Dog rules not recorded
Directionsto the trail sign
–Not graded
Outdoors in Green Valley
More than half of Green Valley’s land is conserved: 61%
61% of Green Valley’s land is conserved, about 11,376 acres. The biggest trail networks: Big Eau Pleine County Park (5.5 mi), Mead State Wildlife Area (0.5 mi). 11,332 acres are parks and preserves, 21,585 per 1,000 residents.
Conserved land
61%
11,376 acres · of 29.0 sq mi of land
Trails
6.8 mi
0.2 per sq mi of land
Park land
11,332 ac
21,585 acres per 1,000 residents
Near a park
46%
of residents within ½ mile
Highest peak
1,152 ft
Smoky Hill
Lakes & rivers
12
1 beach · 4 boat launches
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 Big Eau Pleine County Park, with 5.5 miles. Directions go to the nearest trailhead or public parking.
Mead State Wildlife Area
Nature preserve
10,477 acres0.5 mi of trail
Dog rules not recorded
Directionsto the parking lot
Who protects it
11,376 conserved acres
61% of Green Valley’s land. Water is left out: Green Valley has 29.0 square miles of land and 6.2 of water, so the share counts land only. Who manages Green Valley’s conserved land, from the USGS Protected Areas Database. Approximate, because parcels can overlap.
State natural resources10,354 ac
County990 ac
Private owners112 ac
USDA easements (NRCS)32 ac
State Recreation Area · 10,242 acLocal Park · 990 acConservation Easement · 144 acPrivate Conservation · 112 ac
Good to know
Conserved doesn’t always mean open to visitors. 32 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 |
|---|---|---|---|
| Mead Wildlife Area State Recreation Area | State natural resources | 10,354 | Open |
| Eau Plaine Park Local Park | County | 990 | Open |
Things to do
10 places to go in Green Valley
Beaches, playgrounds, peaks, falls and more. Pick a kind.
Beaches in Green Valley
1 beach without a name on the map. Tap “Show all on map” to see it.
Playgrounds in Green Valley
1 playground without a name on the map.
Boat launches in Green Valley
Oxbo Boat Landing
DirectionsPlus 3 boat launches without a name on the map. Tap “Show all on map” to see them.
Peaks in Green Valley
Smoky Hill1,152 ft elevation · In Mead State Wildlife Area
DirectionsCampgrounds in Green Valley
Group CampsiteFee · In Big Eau Pleine County Park
DirectionsWest Unit CampgroundIn Big Eau Pleine County Park · Marathon County
DirectionsDisc golf in Green Valley
Big Eau Pleine Disc GolfFee · In Big Eau Pleine County Park
DirectionsTrails & water
1 named trail and 12 lakes & rivers
Named trails
Open to bikes · 4.2 miHorses · 4.2 miUnpaved · 5.4 mi
West Unit Trail1.3 mi
Lakes & rivers tap for directions
Big Eau Pleine ReservoirreservoirFisher FlowagereservoirHoney Island FlowagereservoirNorth Honey Island FlowagereservoirNorth Smoky Hill FlowagereservoirNorth Townline FlowagereservoirSmoky Hill FlowagereservoirTeal FlowagereservoirTen PoolreservoirWest Honey Island FlowagereservoirBig Eau Pleine RiverLittle Eau Pleine River
When to get out
The walking year in Green Valley
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) | 9.2 | 10.4 | 11.8 | 13.4 | 14.8 | 15.6 | 15.2 | 14.0 | 12.4 | 10.9 | 9.5 | 8.8 |
| High (°F) | 23 | 28 | 40 | 55 | 68 | 77 | 80 | 78 | 70 | 57 | 41 | 28 |
| Rain (in) | 1.1 | 1.0 | 1.7 | 3.0 | 3.8 | 4.6 | 3.7 | 3.9 | 3.8 | 2.9 | 1.8 | 1.4 |
February is the driest month (1.0 in) and July the warmest (highs of 80 °F). 4.6 inches fall in June, the wettest month. The climate in Green Valley →
Next door
Green Valley and its neighbors
Green Valley has the most mapped trails of the 5 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 |
|---|---|---|---|---|---|
| Green Valley | — not graded: under 1,000 residents or part of its town | ||||
| Milladore | — not graded: under 1,000 residents or part of its town | ||||
| Bergen | — not graded: under 1,000 residents or part of its town | ||||
| Day | 8% | under 0.1 | 1,394 | 7% | C+ |
| Emmet | — 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 Green Valley
Where can I hike in Green Valley?
The longest trail networks: Big Eau Pleine County Park, 5.5 miles; Mead State Wildlife Area, 0.5 miles. Each one is on the map above, with directions to the nearest trailhead or parking.
Are dogs allowed on Green Valley’s trails?
Big Eau Pleine County Park and Mead State Wildlife Area don’t have dog rules recorded on the map; check the signs at the trailhead.
Is there public land near Green Valley?
39,409 acres of parks and open public land lie inside Green Valley or within 10 miles of it (PAD-US), 11,332 of them inside the town line.
Trail talk
Conditions, parking and favorite walks from Green Valley 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 →