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State Park · AR

Mammoth Spring State Park

Mammoth Spring State Park features one of the largest natural springs in the United States, offering scenic beauty, rich history, and diverse recreational opportunities along the Spring River.

State Park334+ Trails

Designation

State Park

Total Wilderness Area

33

Elevation / Terrain

Diverse Wilderness

Field Editorial Guide

About Mammoth Spring State Park

Mammoth Spring State Park features one of the largest natural springs in the United States, offering scenic beauty, rich history, and diverse recreational opportunities along the Spring River.

Wilderness Landscape & Natural Heritage

Mammoth Spring State Park is located in north-central Arkansas, adjacent to the town of Mammoth Spring. The park centers around Mammoth Spring, one of the largest natural springs in the country, which discharges an average of 9.78 million gallons of crystal-clear water daily into the Spring River. The spring and park cover roughly 33 acres, offering a peaceful setting that combines natural wonder with historic charm. Ecologically, the park supports a range of freshwater aquatic life and riparian vegetation, making it a popular spot for fishing, birdwatching, and photography.

Historically, the site housed a now-removed hydroelectric dam and mill, with remnants still visible, and the park showcases restored historic buildings including a large trout hatchery facility. Visitors can explore walking trails and enjoy picnicking areas overlooking the spring and river. The Spring River is well-known for fly fishing, floating, and kayaking. Apart from its natural features, the park includes a visitor center with educational exhibits about the spring's geology and local history.

Mammoth Spring State Park is appealing for families, anglers, and outdoor enthusiasts interested in gentle hikes, water activities, and nature observation in a convenient setting. The combination of outstanding water clarity, abundant wildlife, and historic infrastructure makes it a favored destination in Arkansas throughout spring, summer, and fall seasons.

Field Guide · State Park
Adventure Destinations

Notable Destinations Near Mammoth Spring State Park

Scenic viewpoints, outdoor landmarks, and notable points of interest within 30 miles.

Water Adventures at Saddler Falls★ 7.8⌖ 5 miKayaking
Saddler Falls

Water Adventures at Saddler Falls

Experience the serene beauty of Saddler Falls, Arkansas, with thrilling kayaking and scenic hikes. Enjoy peaceful fishing spots in a remote location within the Ozark National Forest. Best visited in spring or summer, it’s perfect for adventure seekers looking for tranquility and vibrant nature.

Greer Spring: A Hidden Ozark Gem⌖ 23 miHiking
Greer Spring

Greer Spring: A Hidden Ozark Gem

Explore the scenic 1.1-mile Greer Spring Trail in Missouri's Ozarks. Known for its moderate challenge, the trail ends at the stunning Greer Spring, a gateway to the picturesque Eleven Point River. Enjoy hiking, canoeing, and wildlife watching in this serene setting.

Floating the Eleven Point River near Alton, Missouri★ 7.5⌖ 24 miFloating
Alton, Missouri

Floating the Eleven Point River near Alton, Missouri

Float along the scenic Eleven Point River near Alton, Missouri, a peaceful and beginner-friendly experience. Enjoy canoeing, kayaking, and tubing with opportunities to spot wildlife. The best floats are during spring and fall for serene adventures.

Floating the North Fork River in Tecumseh, Missouri★ 7.0⌖ 40 miFloating
Tecumseh, Missouri

Floating the North Fork River in Tecumseh, Missouri

Explore the North Fork River near Tecumseh, MO. Enjoy a peaceful floating experience through 13 miles of scenic river with opportunities for fishing, kayaking, and swimming. Ideal from April to October, this location offers quiet, family-friendly recreation in beautiful natural surroundings.

Discover Jacks Fork: Missouri's Hidden Gem⌖ 40 miCanoeing
Jacks Fork

Discover Jacks Fork: Missouri's Hidden Gem

Explore Jacks Fork in Missouri, a serene river known for its clear waters and stunning scenery. Enjoy canoeing, kayaking, hiking, and camping with opportunities for bird watching. Ideal for solo travelers seeking tranquility, with less crowded areas year-round.

Key Wilderness Highlights

✦ Mammoth Spring, one of the largest natural springs in the United States✦ Spring River offering trout fishing and watercraft access✦ Historic trout hatchery buildings and old hydroelectric dam site✦ Scenic walking trails and picnic areas along the river
Wilderness Recreation

Outdoor Adventures in Mammoth Spring State Park

Explore curated guides for top outdoor sports, trail networks, and wilderness activities.

Park Recreation

Hiking

Available in Mammoth Spring State Park
Park Recreation

Camping

Available in Mammoth Spring State Park
Park Recreation

Wildlife Viewing

Available in Mammoth Spring State Park
Park Recreation

Fishing

Available in Mammoth Spring State Park
Park Recreation

Paddle Sports

Available in Mammoth Spring State Park
Park Recreation

Photography

Available in Mammoth Spring State Park
Park Recreation

Picnicking

Available in Mammoth Spring State Park
The Ranger Station

Visitor Logistics & Essential Planning

Everything you need to know about entrance passes, seasons, visitor centers, road transit, and wildlife safety in Mammoth Spring State Park.

Passes & Fees

Entrance Requirements & Interagency Passes

No entrance fee; parking and facility access are free to the public.

Wilderness Checklist

Carry paper topographic map & compass in remote zones.
Store all food and scented items in approved bear canisters.
Check wildfire / smoke advisories before backcountry departure.
Pack out everything you pack in (Leave No Trace).
Wilderness Stays

Camping & Overnight Stays in Mammoth Spring State Park

Frontcountry developed campgrounds, backcountry wilderness permit guidelines, and starry-night camping advice.

Mammoth Spring State Park Campground

Small campground within park boundaries with tent and RV sites, basic amenities, and proximity to the Spring River.

Adventure Basecamps

Gateway Towns Near Mammoth Spring State Park

Stay, dine, and gear up in these mountain towns and scenic basecamps surrounding the park.

Mammoth Spring
⌖ 0.99 miles
Gateway Basecamp

Mammoth Spring, Arkansas

A peaceful outdoor destination centered around one of the nation’s largest natural springs, offering rich water-based and scenic land activities.

Spring through FallExplore Town
Thayer
⌖ 2.85 miles
Gateway Basecamp

Thayer, Missouri

A small town gateway to outdoor adventures in the scenic Ozark Highlands, known for accessible trails, fishing spots, and peaceful natural surroundings.

Spring through Early FallExplore Town
Abeokuta
⌖ 11.45 miles
Gateway Basecamp

Abeokuta, Ogun State

A historic town offering scenic rocky landscapes and cultural exploration alongside gentle hiking and nature walks.

November to MarchExplore Town
Hardy
⌖ 11.99 miles
Gateway Basecamp

Hardy, Arkansas

A charming small town offering a mix of river paddling, hiking, and outdoor recreation at the gateway to the Ozark Mountains and the Buffalo National River.

Spring through FallExplore Town
Alton
⌖ 16.07 miles
Gateway Basecamp

Alton, Missouri

A quaint small town infused with a love for the great outdoors, capturing the spirit of adventure in the Ozarks.

Spring and FallExplore Town
Ash Flat
⌖ 18.59 miles
Gateway Basecamp

Ash Flat, Arkansas

A peaceful small town gateway to scenic Ozark landscapes, offering relaxed outdoor activities in a quiet rural setting.

Spring and FallExplore Town
Expert-Led Wilderness Expeditions

Guided Experiences in Mammoth Spring State Park

Explore scenic backcountry routes and epic wilderness adventures with certified local mountain guides, naturalists, and outfitters.

12 bookable experiences

Riverfront Premium Sites: RV Camping on the Spring River at Riverside Resort, Mammoth SpringMammoth Spring, Arkansas · 0.99 mi away
Trails & Outdoor Adventures· Riverside Resort

Riverfront Premium Sites: RV Camping on the Spring River at Riverside Resort, Mammoth Spring

Riverfront Premium Sites at Riverside Resort put spacious RV pads and riverside access within reach of Mammoth Spring’s clear, spring-fed water. Enjoy 30-amp hookups, picnic tables, a dump station and easy access to paddling, fishing, and nearby park history.

Per Night • Two Night Minimum

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