Fee: Rates not listed on park page; see Arkansas State Parks (arkansas.com/state-parks).
About this park
Mammoth Spring is a National Natural Landmark and one of the world's largest springs, with nine million gallons of water flowing every hour. The water forms a 10-acre lake and then runs south as the Spring River, a well-known Ozark trout and float stream. Remnants of a mill and hydroelectric plant remain, and the park has an 1886 Frisco train depot and museum, a playground, picnic area, baseball field and walking trail. The visitor center is open daily 8 a.m. to 5 p.m.
Mammoth Spring State Park FAQ
Where is Mammoth Spring State Park located?
Mammoth Spring State Park is in Mammoth Spring, Arkansas, at 17 Highway 63 North. GPS coordinates: 36.49579, -91.53503. Get directions.
Is there an entrance fee at Mammoth Spring State Park?
Rates not listed on park page; see Arkansas State Parks (arkansas.com/state-parks). Fees can change by season, so confirm with the park before you go.
How do I contact Mammoth Spring State Park?
You can call (870) 625-7364. The park office can confirm RV site availability, hookups, length limits and current conditions.
Are there RV campgrounds near Mammoth Spring State Park?
Yes. The closest RV-friendly campgrounds listed on ParkedRV are:
- Gamaliel (38.5 mi, reservable)
- Henderson Park (39.6 mi, reservable)
- Bidwell Point Park (39.8 mi, reservable)
How current is this information about Mammoth Spring State Park?
This listing was last updated on October 9, 2026. If something is out of date, let us know and we'll fix it.