Donnelley State Fish and Wildlife Area
Managed by Illinois Department of Natural Resources
135 acres
Dog rules not recorded
No trailhead mapped yet
Photo: Nyttend · Public domain–Not graded
Outdoors in Hennepin
Few parks or trails are on the map in Hennepin
7% of Hennepin’s land is conserved, about 222 acres. 145 acres are parks and preserves, 156 per 1,000 residents. 0.1 miles of mapped trail cross Hennepin.
Conserved land
7%
222 acres · of 5.3 sq mi of land
Trails
0.1 mi
0.0 per sq mi of land
Park land
145 ac
156 acres per 1,000 residents
Near a park
94%
of residents within ½ mile
Lakes & rivers
1
2 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
Directions go to the nearest trailhead or public parking.
Who protects it
222 conserved acres
7% of Hennepin’s land. Water is left out: Hennepin has 5.3 square miles of land and 0.4 of water, so the share counts land only. Who manages Hennepin’s conserved land, from the USGS Protected Areas Database. Approximate, because parcels can overlap.
State natural resources138 ac
Land trusts & nonprofits65 ac
Regional Water Districts62 ac
Town or city17 ac
State Conservation Area · 138 acPrivate Recreation or Education · 65 acConservation Easement · 62 acUnknown · 11 acLocal Park · 6 ac
Good to know
Conserved doesn’t always mean open to visitors. 1 acre is a conservation easement, usually private land. The walks above are places people visit.
The biggest protected parcels
| Parcel (PAD-US) | Managed by | Acres | Public access |
|---|---|---|---|
| Donnelley State Fish and Wildlife Area State Conservation Area | State natural resources | 138 | Open |
| Sue and Wes Dixon Waterfowl Refuge at Hennepin & Hopper Lakes Private Recreation or Education | Land trusts & nonprofits | 65 | Open |
| Hennepin Park District & Indoor Swimming Pool Unknown | Town or city | 10 | Open |
| Walter Durley Boyle Park Local Park | Town or city | 2 | Open |
| Ernest Bassi Park Local Park | Town or city | 2 | Open |
| Hennepin Boat Launch Unknown | Town or city | 1 | Open |
| River View Park Local Park | Town or city | 1 | Open |
| River Front Park Local Park | Town or city | 1 | Open |
Things to do
2 places to go in Hennepin
Beaches, playgrounds, peaks, falls and more. Pick a kind.
Boat launches in Hennepin
2 boat launches without a name on the map. Tap “Show all on map” to see them.
Trails & water
1 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
2Baseball
Includes school and college facilities, which aren’t always open to the public.
History along the way
History →2 places on the National Register
The country’s official list of places worth saving (National Park Service).
When to get out
The best walking months in Hennepin: April and July to 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 9.5 | 10.6 | 11.8 | 13.3 | 14.5 | 15.1 | 14.9 | 13.8 | 12.4 | 11.0 | 9.8 | 9.2 |
| High (°F) | 32 | 36 | 49 | 63 | 73 | 82 | 85 | 83 | 78 | 65 | 49 | 37 |
| Rain (in) | 1.8 | 1.7 | 2.5 | 3.6 | 4.6 | 4.4 | 3.7 | 3.6 | 3.5 | 3.0 | 2.5 | 2.0 |
February is the driest month (1.7 in) and July the warmest (highs of 85 °F). 4.6 inches fall in May, the wettest month. The climate in Hennepin →
Next door
Hennepin and its neighbors
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 |
|---|---|---|---|---|---|
| Hennepin | — not graded: under 1,000 residents or part of its town | ||||
| Hennepin Township | 17% | 0.2 | 1,231 | 69% | A− |
| Leepertown 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 Hennepin
Are dogs allowed on Hennepin’s trails?
Donnelley State Fish and Wildlife Area doesn’t have dog rules recorded on the map; check the signs at the trailhead.
Is there public land near Hennepin?
13,569 acres of parks and open public land lie inside Hennepin or within 10 miles of it (PAD-US), 222 of them inside the town line.
Trail talk
Conditions, parking and favorite walks from Hennepin 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 →