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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: 49
  • 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: 41
  • Train: 10.0 mi
  • Mastodon Statue: 10.2 mi
  • Bear: 10.2 mi
  • Men Digging: 10.2 mi
  • Cannons: 10.3 mi
Gardens: 39
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 MoundN273 m15.4 mi
Mounded LandfillENE259 m20.0 mi
Mount HoyNE255 m19.0 mi
Maramech HillW196 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 50–80 °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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