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Mark Decker Platform

OpenStreetMap
Mark Decker Platform — direction of view not recorded. Terrain and imagery at true elevation.

Mark Decker Platform sits at 433 feet along the Great River Road, with the terrain dropping 14 feet over the next 600 meters. To the north, Batchtown State Fish and Waterfowl Management Area lies 2.7 miles out at 437 feet, with Titus Hollow Public Access Area another mile beyond at 3.4 miles and 439 feet. Jim Crow Island is visible to the north-northwest at 4.2 miles and 436 feet. Indian Hill rises to the south-southeast at 4.5 miles, reaching 611 feet. O'Fallon is 14.7 miles south, Saint Charles is 18.7 miles southeast, and Saint Louis is 37.4 miles southeast. Sunrise and sunset shift across the year, from a 5:38 a.m. sunrise and 8:33 p.m. sunset at the June solstice to a 7:19 a.m. sunrise and 4:44 p.m. sunset at the December solstice, with the equinoxes falling near 7:00 a.m. and 7:00 p.m. This platform follows the Observation Deck and precedes the Lowest Point in Illinois along the route.

Access
0.4 mi detour
Elevation
433 ft
Relief
14 ft drop
In view
4 named features
Aerial view of Lock and Dam 25, Mississippi River, Hannibal, Missouri.
US Army Corps of Engineers, Unknown Photographer · Public domain · source
Lock and Dam number 25 on the Mississippi River near Winfield, Missouri, USA. View is upriver to the north.
U.S. Army Corps of Engineers, photographer not specified or unknown · Public domain · source
View of Earth taken during ISS Expedition 65.
Earth Science and Remote Sensing Unit , Lyndon B. Johnson Space Center · Public domain · source
View of Earth taken during ISS Expedition 67.
Earth Science and Remote Sensing Unit , Lyndon B. Johnson Space Center · Public domain · source
View of Earth taken during ISS Expedition 67.
Earth Science and Remote Sensing Unit , Lyndon B. Johnson Space Center · Public domain · source

What you’re looking at

Named terrain around this overlook, nearest first. No view direction is recorded, so every bearing is listed.

  • Batchtown State Fish and Waterfowl Management Area437 ftnorth · 2.7 mi
  • Titus Hollow Public Access Area439 ftnorth · 3.4 mi
  • Jim Crow Island436 ftnorth-northwest · 4.2 mi
  • Indian Hill611 ftsouth-southeast · 4.5 mi

Light

DateSunriseSunsetGolden hour
March equinox07:0719:1518:40
June solstice05:3820:3319:53
September equinox06:5119:0218:26
December solstice07:1916:4416:02

Local time (America/Chicago). Computed for this exact position.

Where it is

  • O’Fallon14.7 mi south
  • Saint Charles18.7 mi southeast
  • Saint Louis37.4 mi southeast
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How high is Mark Decker Platform?

Mark Decker Platform sits at about 433 feet (132 m).

What can you see from Mark Decker Platform?

From Mark Decker Platform: Batchtown State Fish and Waterfowl Management Area (N, 2.7 mi); Titus Hollow Public Access Area (N, 3.4 mi); Jim Crow Island (NNW, 4.2 mi); Indian Hill (SSE, 4.5 mi).

What is the nearest town to Mark Decker Platform?

O’Fallon, 15 miles S of Mark Decker Platform.

What is the next lookout after Mark Decker Platform?

Lowest Point in Illinois is the next surfaced lookout along the same route after Mark Decker Platform.

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Mark Decker Platform — confirmed, rated, and photographed by people who actually pulled over. A local confirmation is what upgrades a lookout from Discovered to Verified. Zero hallucinations.

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