Skip to content

Pluto Monument

Pluto Monument from directly overhead

Pluto Monument is a historic site in Illinois, at a modelled elevation of 193 m. Smiths Mound stands 228 m to the southeast, 9.7 miles off. The nearest named place is Marilla Park, a park 0.8 miles away. Illinois River Road passes 12 miles off. 7 named summits stand within 25 miles.

What to expect

Access
Yes

How to reach it

Coordinates41.14744, -88.83557

Overlooks nearby

Named places within 25 miles

Parks
  • Marilla Park: 0.8 mi
  • City Park: 1.7 mi
  • Spring Lake Park: 1.8 mi
  • Heritage Park: 1.8 mi
  • Central Park: 1.9 mi
Museums: 7
Peaks: 7
  • Smiths Mound: 9.7 mi
  • Frog Effigy: 12.9 mi
  • Catfish Effigy: 12.9 mi
  • Buffalo Rock: 12.9 mi
  • Water Strider Effigy: 13.0 mi
Nature reserves: 6
Historic sites: 5
Attractions: 5
Waterfalls: 5
  • Ottawa Canyon Waterfall: 12.4 mi
  • Wildcat Canyon Waterfall: 14.0 mi
  • Cascade Falls: 14.4 mi
  • Lake Falls: 14.4 mi
  • Saint Louis Canyon Waterfall: 14.7 mi
Cliffs: 3
Artworks: 2
Gardens: 2
Beaches: 2
  • Lake Wildwood Beach 1: 23.6 mi
  • Lake WIldwood Beach 2: 24.0 mi
Picnic sites: 1
  • Picnic Grove: 15.6 mi

Summits around it

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

SummitBearingElevationDistance
Smiths MoundSE228 m9.7 mi
Piety HillNW189 m16.8 mi
Buffalo RockNNW170 m12.9 mi
Starved RockNNW167 m14.5 mi

When to go

Light through the year

DateSunriseGolden hourSunset
March equinox07:0018:3119:08
June solstice05:2419:5120:32
September equinox06:4318:1818:54
December solstice07:1815:4616:30

Local time (America/Chicago).

Climate normals

Months averaging 50–80 °F: Apr–Oct.

JanFebMarAprMayJunJulAugSepOctNovDec
Avg °F242839516373777466544130
Precip in2.61.92.83.74.74.74.13.73.63.02.62.2

1991–2020 U.S. Climate Normals, NOAA NCEI — Streator 3 SE, 4 mi away.

Where this comes from

Location and category confirmed against OpenStreetMap.

OpenStreetMap

OpenStreetMap element node/11929705122

More historic sites in Illinois

Day trips start here

Drive to it

Byway plans a real route around stops like this one.

Private beta · Free to join

Take the scenic way to Pluto Monument.

Byway plans around your taste, mapped places, real weather and opening hours — then opens every leg in Google Maps with one tap.

Private beta · Free to join · No card · Invite when a spot opens