- Elevation, modelled
- 103 m
- Tallest summit within 25 miles
- Tiptop Knob269 m · 22.4 mi
- Nearest byway
- Ohio River Scenic Byway4.8 mi off
- Sunset, June solstice
- 20:20local time
- Coordinates
- 37.3122, -88.9433
Grassy Slough Preserve is a nature reserve in Illinois, at a modelled 103 m. Tiptop Knob stands 269 m to the northwest, 22 miles off. The nearest named place is Michael W. Wolff Memorial Wetlands, a nature reserve 2.3 miles away. Ohio River Scenic Byway passes 4.8 miles off. 178 named places lie within 25 miles, 21 of them named summits.
Summits around it
The highest named summits within 25 miles of Grassy Slough Preserve. Elevation from each summit’s own record; bearing measured between the two coordinates.
| Summit | Bearing | Elevation | Distance |
|---|---|---|---|
| Tiptop Knob | NW 314° | 269 m | 22.4 mi |
| Vick Hill | W 271° | 232 m | 22.8 mi |
| Millstone Bluff | NE 52° | 221 m | 17.7 mi |
| Pine Knob | W 278° | 219 m | 21.2 mi |
| Buck Knob | NNW 331° | 217 m | 16.7 mi |
| Iron Mountain | NW 305° | 212 m | 24.6 mi |
| Jims Hill | NNW 340° | 198 m | 15.9 mi |
| Italian Hill | W 273° | 196 m | 20.4 mi |
- 4.8 mi off the Ohio River Scenic BywayNational
- 236.5 mi off the River Road Scenic BywayNational
- 22.1 mi off the Great River RoadNational
Overlooks nearby
- Lowest Point in Illinois · 25 mi
178 named places within 25 miles
- Deer Pond Nature Preserve: 8.1 mi
- Robinett Park: 9.1 mi
- Chestnut Hills Nature Preserve: 10.2 mi
- Round Bluff Nature Preserve: 15.1 mi
- Metropolis Soccer Fields: 15.8 mi
- Hairy Hill: 2.9 mi
- Blue Knob: 11.2 mi
- Taylor Bluff: 12.3 mi
- Island Hill: 12.7 mi
- Round Knob: 13.3 mi
- Michael W. Wolff Memorial Wetlands: 2.3 mi
- Lower Cache River Access Area: 6.1 mi
- Hickory Bottoms: 7.4 mi
- Mermet Swamp Nature Preserve: 7.7 mi
- Cypress Creek National Wildlife Refuge: 7.8 mi
- Indian Point: 2.9 mi
- George Bluff: 3.3 mi
- Turner Bluff: 4.2 mi
- Wildcat Bluff: 4.3 mi
- Round Bluff: 5.4 mi
- Bulge Hole Ecological Area: 13.0 mi
- Schwegman Ecological Area: 13.8 mi
- Natural Bridge: 15.0 mi
- Water Fall: 15.9 mi
- Lois Lane Statue: 16.0 mi
- Ghost Dance Canyon Boulder Falls: 15.5 mi
- Dixon Springs Waterfall: 15.9 mi
- Bjork's Falls: 16.4 mi
- Spillway Falls: 17.4 mi
- Cedar/Pakentuck Falls: 18.1 mi
- Henry N. Barkhausen Cache River Wetlands Center: 4.1 mi
- Forman Depot Museum: 7.8 mi
- Superman Museum & Gift Shop: 16.0 mi
- Cobden Museum: 22.9 mi
- Giant City Visitor Center: 24.1 mi
- Trail of Tears Memorial: 7.9 mi
- Superman Statue: 16.0 mi
- CCC Tree Planting: 16.7 mi
- 50 Years: 17.6 mi
- Legend of Ondessonk: 17.6 mi
- George Rodgers Clark Statue: 17.3 mi
- Wacinton: 23.1 mi
- Welcome to Historical Cairo: 24.6 mi
- The Story of Cairo: 24.6 mi
- Research Uncovered: 24.6 mi
- Slough Arch: 4.1 mi
- Cedar Wonders Arch: 16.0 mi
- Pot Hole Arch: 16.5 mi
- Natural Bridge: 21.3 mi
- Lookout Point Picnic Area: 15.3 mi
- Bluff View Picnic Area: 15.8 mi
- Goose Bay: 16.8 mi
- Pine Point: 17.1 mi
- Trail of Tears Rest Area - Northbound: 14.9 mi
- Trail of Tears Rest Area - Southbound: 15.0 mi
- Whitehaven Welcome Center: 24.1 mi
- Dixon Springs: 15.9 mi
- Bell Smith Springs: 21.2 mi
- Seep: 23.9 mi
- Tacaogane: 12.3 mi
| Date | Sunrise | Golden hour | Sunset |
|---|---|---|---|
| March equinox | 07:00 | 18:33 | 19:08 |
| June solstice | 05:36 | 19:41 | 20:20 |
| September equinox | 06:44 | 18:20 | 18:54 |
| December solstice | 07:07 | 16:02 | 16:42 |
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 | 35 | 39 | 47 | 58 | 67 | 75 | 79 | 78 | 72 | 60 | 48 | 39 |
| Precip in | 4.2 | 3.9 | 4.8 | 5.2 | 4.9 | 4.1 | 3.3 | 3.0 | 3.3 | 4.0 | 4.4 | 4.2 |
1991–2020 U.S. Climate Normals, NOAA NCEI — Olmsted L&D, 11 mi away.
Location and category confirmed against OpenStreetMap.
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