Harlem Township has 52 miles of mapped trails, 1.6 for every square mile of land
18% of Harlem Township’s land is conserved, about 3,778 acres. 3,764 acres are parks and preserves, 96 per 1,000 residents. The biggest trail networks: Rock Cut State Park (35.9 mi), Kieselburg Forest Preserve (3.1 mi), Willow Creek Natural Area (3.1 mi).
Ahead of 95% of U.S. towns · #27 of 768 in Illinois. What drives it
What kind of outdoors town is Harlem Township?
Read from the map. The page puts what stands out first.
How much outdoors does Harlem Township have?
On conserved land, trails, park land and how close residents live to a park, Harlem Township is ahead of 95% of U.S. towns, #27 of 768 in Illinois. All four inputs are above most U.S. towns; trail miles rank highest, the share of residents near a park lowest.
PAD-US, OpenStreetMap (© OpenStreetMap contributors), Census 2025 Gazetteer and 2020 blocks; details in Sources below. How TownRatings grades the outdoors →
Conserved land, trails & bike routes
Tap a number to zoom to a park. Tap a layer to hide it.
Pick a walk
The longest trail network is Rock Cut State Park, with 35.9 miles. Directions go to the nearest trailhead or public parking.
Kieselburg Forest Preserve
Willow Creek Natural Area
Roland Olson County Forest Preserve
Schoonmaker Park
South Hart Road Grassland Natural Area
North Hart Road Grassland Natural Area
All 26 parks & preserves
3,778 conserved acres
18% of Harlem Township’s land. Who manages Harlem Township’s conserved land, from the USGS Protected Areas Database. Approximate, because parcels can overlap.
Conserved doesn’t always mean open to visitors. 99 acres are conservation easements, usually private land. The walks above are places people visit.
| Parcel (PAD-US) | Managed by | Acres | Public access |
|---|---|---|---|
| Rock Cut State Park State Park | State natural resources | 3,058 | Open |
| Kieselburg Forest Preserve Local Conservation Area | County | 215 | Open |
| Roland Olson Forest Preserve Local Conservation Area | County | 124 | Open |
| Willow Creek Greenway Local Other or Unknown | Regional agency | 42 | Open |
| Harlem Community Skatepark Local Recreation Area | Regional agency | 37 | Open |
| Porter Park Local Park | Town or city | 34 | Open |
| Williams Park Local Park | Town or city | 27 | Open |
| Upper Rock 002-06 State Conservation Area | Regional agency | 26 | Open |
| Shoonmaker Park Local Park | Town or city | 22 | Open |
| Nimtz Ponds State Conservation Area | Town or city | 20 | Open |
5 smaller protected places aren’t shown.
38 places to go in Harlem Township
Beaches, playgrounds, peaks, falls and more. Pick a kind.
Plus 13 playgrounds without a name on the map. Tap “Show all on map” to see them.
7 boat launches without a name on the map.
2 picnic areas without a name on the map.
5 named trails and 5 lakes & rivers
24 miles of bike routes
Bike lanes are often missing from the map in smaller towns, so that number is likely low.
Includes school and college facilities, which aren’t always open to the public.
September is the best month for walking in Harlem 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) | 9.4 | 10.5 | 11.8 | 13.3 | 14.6 | 15.3 | 15.0 | 13.9 | 12.4 | 11.0 | 9.7 | 9.1 |
| High (°F) | 29 | 33 | 45 | 59 | 71 | 80 | 83 | 81 | 75 | 62 | 46 | 34 |
| Rain (in) | 1.6 | 1.6 | 2.2 | 3.7 | 4.4 | 5.3 | 3.8 | 4.0 | 3.6 | 2.9 | 2.3 | 1.9 |
February is the driest month (1.6 in) and July the warmest (highs of 83 °F). 5.3 inches fall in June, the wettest month. The climate in Harlem Township →
Harlem Township and its neighbors
Harlem Township has the most mapped trails of the 8 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 |
|---|---|---|---|---|---|
| Harlem Township | 18% | 1.6 | 96 | 84% | A+ |
| Roscoe Township | 4% | 0.2 | 34 | 44% | B− |
| Machesney Park | 6% | 0.4 | 22 | 85% | B+ |
| Owen Township | 2% | 0.1 | 154 | 28% | B− |
| Rockford | 6% | 0.5 | 17 | 87% | B+ |
| Caledonia Township | 1% | 0.1 | 5 | 37% | C− |
| Rockford Township | — not graded: under 1,000 residents or part of its town | ||||
| Loves Park | 34% | 2.7 | 146 | 85% | A+ |
The four inputs of the Outdoors grade, from the engine; shares are of land, not water.
Questions about parks and trails in Harlem Township
Where can I hike in Harlem Township?
The longest trail networks: Rock Cut State Park, 35.9 miles; Kieselburg Forest Preserve, 3.1 miles; Willow Creek Natural Area, 3.1 miles; Roland Olson County Forest Preserve, 2.6 miles. Each one is on the map above, with directions to the nearest trailhead or parking.
How much of Harlem Township is conserved land?
18% of its land, against a typical 4% for an Illinois town and 4% nationally (PAD-US). Conserved doesn’t always mean open to visitors: easements are usually private land.
Are dogs allowed on Harlem Township’s trails?
Rock Cut State Park and Kieselburg Forest Preserve don’t have dog rules recorded on the map; check the signs at the trailhead.
Where can I bike in Harlem Township?
24 miles of bike routes are on the map: 4.1 of painted or protected lanes and 20 of off-road paths.
Is there public land near Harlem Township?
14,119 acres of parks and open public land lie inside Harlem Township or within 10 miles of it (PAD-US), 3,795 of them inside the town line.
How much outdoors does Harlem Township have?
Ahead of 95% of U.S. towns on the Outdoors grade, #27 of 768 in Illinois. The grade combines the share of land that is conserved, miles of mapped trail per square mile of land, park acres per 1,000 residents and the share of residents within a half mile of a park. It’s a character grade, so it isn’t part of the overall grade. How it works.
Trail talk
Conditions, parking and favorite walks from Harlem Township neighbors.
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 →