Sannauk Forest Preserve
Nature preserve
77 acres1.6 mi of trail
Dog rules not recorded
Directionsto the parking lot
–Not graded
Outdoors in Somonauk Township
Few parks or trails are on the map in Somonauk Township
The biggest trail networks: Sannauk Forest Preserve (1.6 mi). 77 acres are parks and preserves, 42 per 1,000 residents. 3.3 miles of mapped trail cross Somonauk Township, 0.2 per square mile of land.
Conserved land
1%
74 acres · of 19.3 sq mi of land
Trails
3.3 mi
0.2 per sq mi of land
Park land
77 ac
42 acres per 1,000 residents
Near a park
74%
of residents within ½ mile
Bike routes
0.1 mi
0.1 mi paths
Lakes & rivers
2
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 Sannauk Forest Preserve, with 1.6 miles. Directions go to the nearest trailhead or public parking.
Who protects it
74 conserved acres
1% of Somonauk Township’s land. Who manages Somonauk Township’s conserved land, from the USGS Protected Areas Database. Approximate, because parcels can overlap.
Regional agency70 ac
Town or city4 ac
Local Conservation Area · 70 acLocal Park · 4 ac
The biggest protected parcels
| Parcel (PAD-US) | Managed by | Acres | Public access |
|---|---|---|---|
| Saunnak Forest Preserve Local Conservation Area | Regional agency | 70 | Open |
| Illowa Park Local Park | Town or city | 2 | Open |
| Finding Heroes Park Local Park | Town or city | 1 | Open |
| North Park Local Park | Town or city | 1 | Open |
Things to do
5 places to go in Somonauk Township
Beaches, playgrounds, peaks, falls and more. Pick a kind.
Playgrounds in Somonauk Township
3 playgrounds without a name on the map. Tap “Show all on map” to see them.
Fishing spots in Somonauk Township
1 fishing spot without a name on the map. Tap “Show all on map” to see it.
Picnic areas in Somonauk Township
1 picnic area without a name on the map.
Trails & water
2 lakes & rivers
Lakes & rivers tap for directions
Biking & sports
0.1 miles of bike routes
Bike lanes are often missing from the map in smaller towns, so that number is likely low.
0.1 mi
off-road bike paths
Courts & fields
36Basketball
2Baseball
1Soccer
Includes school and college facilities, which aren’t always open to the public.
When to get out
The best walking months in Somonauk Township: April and 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 | 10.5 | 11.8 | 13.3 | 14.5 | 15.2 | 14.9 | 13.8 | 12.4 | 11.0 | 9.8 | 9.2 |
| High (°F) | 30 | 35 | 47 | 60 | 72 | 81 | 84 | 82 | 76 | 63 | 48 | 35 |
| Rain (in) | 1.7 | 1.6 | 2.3 | 3.7 | 4.7 | 4.6 | 3.9 | 3.8 | 3.4 | 3.2 | 2.5 | 2.1 |
February is the driest month (1.6 in) and July the warmest (highs of 84 °F). 4.7 inches fall in May, the wettest month. The climate in Somonauk Township →
Next door
Somonauk Township and its neighbors
Somonauk Township has the second most mapped trails of the 3 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 |
|---|---|---|---|---|---|
| Somonauk Township | — not graded: under 1,000 residents or part of its town | ||||
| Sandwich Township | — not graded: under 1,000 residents or part of its town | ||||
| Northville Township | under 1% | under 0.1 | 5 | 66% | C− |
The four inputs of the Outdoors grade, from the engine; shares are of land, not water.
Questions about parks and trails in Somonauk Township
Where can I hike in Somonauk Township?
The longest trail networks: Sannauk Forest Preserve, 1.6 miles. Each one is on the map above, with directions to the nearest trailhead or parking.
Are dogs allowed on Somonauk Township’s trails?
Sannauk Forest Preserve and Finding Heroes Park don’t have dog rules recorded on the map; check the signs at the trailhead.
Where can I bike in Somonauk Township?
0.1 miles of bike routes are on the map: 0.1 of off-road paths.
Is there public land near Somonauk Township?
5,934 acres of parks and open public land lie inside Somonauk Township or within 10 miles of it (PAD-US), 77 of them inside the town line.
Trail talk
Conditions, parking and favorite walks from Somonauk 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 →