Swayne Hollow SNA
Swayne Hollow SNA is a nature reserve in Illinois, at a modelled elevation of 154 m. Government Rock stands 250 m to the south-southeast, 25 miles off. The nearest named place is Mill Creek Natural Area, a nature reserve 0.4 miles away. Great River Road passes 4.3 miles off. 117 named places lie within 25 miles, 13 of them named summits.
What to expect
- Operated by
- IDNR
How to reach it
- 4.3 mi off the Great River Road, National
- 15.8 mi off the Great River Road - Missouri
117 named places within 25 miles
- Bower Park: 8.5 mi
- Percy City Park: 8.6 mi
- Percy School Park: 8.9 mi
- Cole Memorial Park: 9.1 mi
- Officer James I. Brockmeyer Memorial Park: 9.7 mi
- Buttermilk Hill Picnic Area: 13.1 mi
- Pine Grove: 14.5 mi
- Hidden Cove: 14.5 mi
- Twin Logs: 14.5 mi
- Dogwood: 14.5 mi
- Saint Cosme Hill: 9.3 mi
- Cleinman Mound: 9.4 mi
- Tater Hill: 10.3 mi
- Sugar Hill: 10.6 mi
- Walker Hill: 19.0 mi
- Mill Creek Natural Area: 0.4 mi
- Piney Creek Ravine Nature Preserve: 0.9 mi
- Johnson Creek Recreation Area: 8.3 mi
- Lake Murphysboro State Park: 16.5 mi
- County Lake State Wildlife Management Area: 18.4 mi
- James M. Eddleman Millitary Museum: 15.4 mi
- Perry County Museum: 16.0 mi
- Misselhorn Art Museum: 16.3 mi
- Brown Memorial Museum: 16.4 mi
- Illinois Rural Heritage Museum: 18.8 mi
- Shelter Bluff: 0.8 mi
- Shelter Bluff: 0.9 mi
- Fountain Bluff: 16.3 mi
- Abneyville Rock: 17.2 mi
- Devils Bake Oven: 18.5 mi
- Vietnam Veterans Memorial: 15.5 mi
- Wall of Honor: 16.0 mi
- Unknown Departed Memorial: 23.3 mi
- Unknown Departed Memorial: 23.3 mi
- Old Train Depot: 23.5 mi
- ps: 18.3 mi
- ps: 18.3 mi
- ps: 19.5 mi
- Mystic Willow: 23.1 mi
- Pomona Natural Bridge: 23.5 mi
- pyroglyphics: 0.8 mi
- ps: 18.4 mi
- gym: 18.5 mi
- Falls-Shelter Bluff: 0.8 mi
- Kinkaid Lake Spillway Falls: 13.4 mi
- Bottoms Spring: 17.1 mi
- Cave Spring: 24.7 mi
- Brownsville: 16.6 mi
Summits around it
The highest named summits within 25 miles of Swayne Hollow SNA. Elevation from each summit’s own record; bearing measured between the two coordinates.
| Summit | Bearing | Elevation | Distance |
|---|---|---|---|
| Government Rock | SSE 152° | 250 m | 24.6 mi |
| Grassy Knob | SSE 148° | 241 m | 22.5 mi |
| High Knoll | WSW 246° | 204 m | 21.4 mi |
| Graveyard Hill | WSW 249° | 202 m | 24.4 mi |
| Swallow Rock | SE 135° | 198 m | 19.0 mi |
| Lick Hill | W 270° | 188 m | 20.1 mi |
| Saint Cosme Hill | SSW 196° | 183 m | 9.3 mi |
| Sugar Hill | ENE 72° | 177 m | 10.6 mi |
When to go
Light through the year
| Date | Sunrise | Golden hour | Sunset |
|---|---|---|---|
| March equinox | 07:03 | 18:36 | 19:11 |
| June solstice | 05:37 | 19:46 | 20:25 |
| September equinox | 06:47 | 18:23 | 18:57 |
| December solstice | 07:11 | 16:02 | 16:43 |
Local time (America/Chicago).
Climate normals
Months averaging 50–80 °F: Apr–Oct.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg °F | 31 | 35 | 44 | 55 | 65 | 73 | 77 | 75 | 68 | 57 | 45 | 35 |
| Precip in | 3.1 | 2.6 | 4.0 | 5.2 | 5.2 | 4.3 | 4.7 | 3.5 | 3.0 | 3.3 | 4.1 | 2.7 |
1991–2020 U.S. Climate Normals, NOAA NCEI — Sparta 1 W, 16 mi away.
Where this comes from
Location and category confirmed against OpenStreetMap.
OpenStreetMapOpenStreetMap element node/12618657343
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