- Elevation, modelled
- 138 m
- Tallest summit within 25 miles
- Buffalo Knob305 m · 10.2 mi
- Nearest byway
- Great River Road - Missourion it
- Sunset, June solstice
- 20:35local time
- Coordinates
- 39.3735, -90.9058
Observation Deck is a park in Illinois, at a modelled 138 m. Buffalo Knob stands 305 m to the southwest, 10 miles off. The nearest named place is Robert Hill, a peak 1.2 miles away. Great River Road - Missouri runs past it. 118 named places lie within 25 miles, 42 of them named summits.
- Built
- 1958
Summits around it
The highest named summits within 25 miles of Observation Deck. Elevation from each summit’s own record; bearing measured between the two coordinates.
| Summit | Bearing | Elevation | Distance |
|---|---|---|---|
| Buffalo Knob | SW 232° | 305 m | 10.2 mi |
| Springston Knob | SSW 197° | 280 m | 9.4 mi |
| Ben Watts Knob | SSW 199° | 275 m | 6.9 mi |
| Tedlock Knob | SSW 199° | 275 m | 9.7 mi |
| Long Knob | WSW 257° | 267 m | 4.7 mi |
| Dale Knob | SSW 192° | 263 m | 8.6 mi |
| Tower Knob | SSW 210° | 259 m | 3.2 mi |
| Painter Knob | S 176° | 257 m | 4.3 mi |
- On the Great River Road - Missouri
- On the Great River RoadNational
- 29.7 mi off the Meeting of the Great Rivers Scenic RouteNational
Overlooks nearby
- Scenic View · 20 mi
- Victor's Point Roadside Park · 22 mi
- Observation Deck · 28 mi
- Mark Decker Platform · 28 mi
118 named places within 25 miles
- Robert Hill: 1.2 mi
- Wilcoxen Knob: 2.9 mi
- Tower Knob: 3.2 mi
- Mcllroy Knob: 3.3 mi
- Page Knob: 3.4 mi
- Pleasant Hill Park: 5.4 mi
- Rip Rap Landing State Fish and Waterfowl Management Area: 7.7 mi
- Louisiana Riverfront Park: 9.2 mi
- VFW Park: 9.2 mi
- Riverview Park: 9.5 mi
- Gosline Island: 6.9 mi
- Mozier Landing Site: 11.9 mi
- Westport Island: 14.7 mi
- Gilead Gap: 19.8 mi
- Large Stag Island: 23.0 mi
- Harman House Museum: 5.3 mi
- James Beauchamp Clark House: 15.4 mi
- Center for American Archeology Museum: 16.6 mi
- Pike County All Wars Museum: 17.2 mi
- Copper Spring: 19.8 mi
- Lane Spring: 21.2 mi
- Parsons Spring: 21.7 mi
- Uncle Sammys Spring: 21.8 mi
- Saltpeter Bluff: 9.8 mi
- Perrins Ledge: 15.4 mi
- Frenchmans Bluff: 24.9 mi
- Victor's Point Roadside Park: 21.8 mi
- Hallows Roadside Park: 22.8 mi
- Mushroom Farm: 16.3 mi
| Date | Sunrise | Golden hour | Sunset |
|---|---|---|---|
| March equinox | 07:08 | 18:40 | 19:16 |
| June solstice | 05:38 | 19:54 | 20:35 |
| September equinox | 06:52 | 18:27 | 19:02 |
| December solstice | 07:21 | 16:02 | 16:44 |
Local time (America/Chicago).
Months averaging 50–80 °F: Apr–Oct.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg °F | 28 | 32 | 43 | 54 | 64 | 74 | 78 | 76 | 69 | 57 | 44 | 33 |
| Precip in | 2.0 | 1.7 | 3.0 | 4.0 | 4.6 | 4.4 | 3.9 | 3.5 | 3.2 | 2.9 | 3.0 | 2.1 |
1991–2020 U.S. Climate Normals, NOAA NCEI — Clarksville L&D 24, under a mile away.
Location and category confirmed against OpenStreetMap.
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