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Illinois' Northern Boundary

Illinois' Northern Boundary from directly overhead

Illinois' Northern Boundary is a historic site in Illinois, at a modelled elevation of 181 m. Johnson’s Mound stands 273 m to the north, 15 miles off. The nearest named place is Time Capsule, a historic site 0.2 miles away. Historic Route 66 passes 13 miles off. 8 named summits stand within 25 miles.

What the record says

Material
metal

How to reach it

Coordinates41.64121, -88.44630

Overlooks nearby

Named places within 25 miles

Parks
  • West Hydraulic Park: 0.3 mi
  • Clark Park: 0.3 mi
  • Gilbert Park: 0.3 mi
  • Town Square: 0.4 mi
  • Van Emmon Park: 0.4 mi
Museums: 50
  • Little White School Museum: 5.8 mi
  • Sugar Grove Historical Society: 8.0 mi
  • Air Classics Museum of Aviation: 8.7 mi
  • Stone Mill Museum: 8.8 mi
  • Early Streets Museum: 9.0 mi
Artworks: 50
  • Train: 10.0 mi
  • Mastodon Statue: 10.2 mi
  • Bear: 10.2 mi
  • Bear: 10.2 mi
  • Men Digging: 10.2 mi
Gardens: 46
Attractions: 10
Picnic sites: 8
Peaks: 8
  • Maramech Hill: 4.9 mi
  • Johnson’s Mound: 15.4 mi
  • Rotary Hill: 17.4 mi
  • Mount Hoy: 19.0 mi
  • Mounded Landfill: 20.0 mi
Ghost towns: 3
Beaches: 2
Cliffs: 2
Waterfalls: 2
Springs: 1
  • Lake Strini: 17.9 mi

Summits around it

The highest named summits within 25 miles of Illinois' Northern Boundary. Elevation from each summit’s own record; bearing measured between the two coordinates.

SummitBearingElevationDistance
Johnson’s MoundN 3°273 m15.4 mi
Mounded LandfillENE 72°259 m20.0 mi
Mount HoyNE 46°255 m19.0 mi
Maramech HillW 268°196 m4.9 mi

When to go

Light through the year

DateSunriseGolden hourSunset
March equinox06:5818:2919:06
June solstice05:2019:5020:32
September equinox06:4218:1618:53
December solstice07:1815:4216:27

Local time (America/Chicago).

Climate normals

Months averaging 5080 °F: May–Oct.

JanFebMarAprMayJunJulAugSepOctNovDec
Avg °F232738496070737164523928
Precip in1.31.42.23.64.14.03.73.33.03.22.31.7

1991–2020 U.S. Climate Normals, NOAA NCEI — Chicago Aurora Muni AP, 9 mi away.

Where this comes from

Location and category confirmed against OpenStreetMap.

OpenStreetMap

OpenStreetMap element node/13950398604

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