Starting on 1/5/2026 the Spring Lake Trail from the Hydroelectric Plant to the 1886 Frisco Train Depot Museum will be closed for repairs. We are hoping to open it by 1/10/2026.
Mammoth Spring State Park
Mammoth Spring State Park
Mammoth Spring is Arkansas' largest spring
Mammoth Spring State Park
What to know
A National Natural Landmark, Mammoth Spring is one of the world’s largest springs with nine million gallons of water flowing hourly. It forms a 10-acre lake then runs southward as the Spring River, a famous Ozark trout and float stream. Remnants of a mill and hydroelectric plant are part of Mammoth Spring’s history. The park also features an 1886 Frisco train depot and museum. Adding to the things to do here are a playground, picnic area, baseball field, walking trail, Arkansas Welcome Center, and gift shop.
Plan Your Adventure
Outdoor Space
Island Rental
For reservations and more information, please contact the park at 870-625-7364 or mammothspring@arkansas.com.
Per Use: $49.00
Contact park for questions
Open Pavilion
Standard Pavilion
For reservations and more information, please contact the park at 870-625-7364 or mammothspring@arkansas.com.
Daily Rate: $85.00
Contact park for questions
P.O. Box 36
Mammoth Spring, AR 72554
Call The Park