Mammoth Spring
Mammoth Spring is a spring in Arkansas, at a modelled elevation of 150 m. Hines Hill stands 336 m to the northwest, 23 miles off. The nearest named place is Mammoth Spring State Park, a park 0.2 miles away. Great River Road passes 97 miles off. 116 named places lie within 25 miles, 39 of them named summits.
Mammoth Spring is the tenth largest spring in the world gushing forth nine million gallons of water per hour. The town Mammoth Spring is named after this site.
How to reach it
- 97.0 mi off the Great River Road, National
116 named places within 25 miles
- Britton Hill: 6.3 mi
- Rock Quarry Hill: 9.8 mi
- Mount Mesara: 10.3 mi
- Biggers Hill: 12.2 mi
- Bowman Hill: 15.1 mi
- Mammoth Spring State Park: 0.2 mi
- Mammoth Spring Park: 0.5 mi
- Grand Gulf State Park: 7.1 mi
- Loberge Park: 12.9 mi
- Papoosa Park: 13.2 mi
- Sand Spring: 17.8 mi
- Mud Spring: 19.3 mi
- Blue Spring: 19.6 mi
- Jones Spring: 19.7 mi
- Sullivan Spring: 19.8 mi
- Perry Bluff: 14.1 mi
- Hurricane Bluff: 20.0 mi
- Cane Bluff: 21.9 mi
- Watts Bluff: 22.0 mi
- Baker Bluff: 23.9 mi
- Rock of Ages: 23.0 mi
- Howell County War Memorial: 23.1 mi
- Polly the Parrot: 23.1 mi
- Civil War Skirmish: 23.7 mi
- Grizzly Statue: 23.9 mi
- Mott: 15.9 mi
- Carson: 20.8 mi
- Coin: 21.2 mi
- Riverton: 21.3 mi
- Turners Mill: 23.8 mi
- Totem pole: 13.2 mi
- Totem pole: 13.2 mi
- Totem Pole: 13.2 mi
- Hardy History Museum: 13.0 mi
- James P. Harlin Museum: 23.7 mi
- White Ranch Conservation Area: 17.9 mi
- Hall's Creek Canyon Natural Area: 21.2 mi
- Picnic Area: 23.4 mi
Summits around it
The highest named summits within 25 miles of Mammoth Spring. Elevation from each summit’s own record; bearing measured between the two coordinates.
| Summit | Bearing | Elevation | Distance |
|---|---|---|---|
| Hines Hill | NW 312° | 336 m | 23.5 mi |
| Wallace Knob | WSW 245° | 333 m | 20.0 mi |
| Wildcat Knob | WSW 257° | 326 m | 19.5 mi |
| Salem Knob | WSW 243° | 323 m | 18.0 mi |
| Pine Hill | WSW 254° | 308 m | 18.1 mi |
| Mosby Hill | NE 35° | 294 m | 24.2 mi |
| Wild Cat Hill | NE 34° | 281 m | 16.5 mi |
| Turkey Knob | WSW 248° | 278 m | 19.9 mi |
When to go
Light through the year
| Date | Sunrise | Golden hour | Sunset |
|---|---|---|---|
| March equinox | 07:11 | 18:44 | 19:18 |
| June solstice | 05:49 | 19:50 | 20:28 |
| September equinox | 06:55 | 18:31 | 19:05 |
| December solstice | 07:15 | 16:15 | 16:55 |
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 | 35 | 39 | 48 | 57 | 66 | 74 | 78 | 77 | 70 | 58 | 47 | 38 |
| Precip in | 3.6 | 3.5 | 4.6 | 5.2 | 5.3 | 3.3 | 3.9 | 3.5 | 3.6 | 3.8 | 4.6 | 3.8 |
1991–2020 U.S. Climate Normals, NOAA NCEI — Mammoth Spring, under a mile away.
Months at or above the year’s average flow: Mar–Jun — fullest in May, leanest in Oct.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean cfs | 530 | 575 | 642 | 911 | 1,045 | 844 | 447 | 382 | 357 | 327 | 410 | 477 |
USGS monthly mean discharge at gauge Spring River near Mammoth Spring, AR, 2 mi away — the nearest gauge, which can sit on a different stream.
- Wood Duck80 obs
- Muskrat40 obs
- Canada Goose34 obs
- Greater White-fronted Goose31 obs
- Common Watersnake31 obs
- Bufflehead21 obs
- common jewelweed20 obs
- American Robin18 obs
Research-grade iNaturalist community observations within 3 km — what people have recorded, not a species inventory.
Where this comes from
Location and category confirmed against OpenStreetMap.
OpenStreetMapOpenStreetMap element node/7005389882
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