Lake Fort Smith State Park
Arkansas

Lake Fort Smith State Park

15458 Sheperd Springs Road, Mountainburg, AR 72946
Available Activities
  • Hiking
  • Camping
  • Swimming
  • Fishing
  • Boating
  • Mountain Biking
  • RV
  • Cabins

⛰️ Ozarks Gateway to the 165-Mile Trail — The western terminus of the Ozark Highlands National Recreation Trail in the Boston Mountains, with a 1,420-acre lake and marina, 10 cabins, 30 full-hookup campsites, swimming pool with water slides, and some of the most rugged terrain in Arkansas

High in the Boston Mountains — the tallest and most rugged section of the Ozark Highlands — Lake Fort Smith State Park perches at 1,400 feet elevation above a glittering 1,420-acre lake that serves as the primary water supply for Fort Smith and the surrounding region. This is not a gentle, rolling Ozarks park. The Boston Mountains are the real deal: steep-walled valleys cut by fast-flowing creeks, dense hardwood forests clinging to sandstone bluffs, and the kind of rugged, elevation-changing terrain that makes this section of the Ozarks the most physically demanding — and most rewarding — in Arkansas.

The park’s ultimate claim to fame is its status as the western terminus of the 165-mile Ozark Highlands National Recreation Trail — one of the premier long-distance backpacking routes in the central United States, connecting here at Lake Fort Smith all the way east to Lake Sylvia near Little Rock. Thru-hikers begin (or end) their journey at this park, and day hikers can sample the trail’s character on any of the park’s shorter loops. But the park is far more than a trailhead: 10 fully-equipped cabins, a full-service marina with boat rentals, a swimming pool complex with water slides, and a modern campground make it a complete family destination in the heart of the Ozarks.

Lake Fort Smith

FeatureDetails
Surface Area1,420 acres
Elevation~1,400 feet
UseRecreation and water supply for Fort Smith region
Motor PolicyNo jet skis, no water skiing, no wake boarding
MarinaKayak, canoe, pedal boat, motorboat rentals
Boat RampDouble-lane paved ramp
SwimmingNot permitted in lake

The 165-Mile Ozark Highlands Trail

Lake Fort Smith State Park is the official western terminus of the Ozark Highlands National Recreation Trail (OHT) — a 165-mile point-to-point trail that traverses the most remote and scenic sections of the Ozark National Forest, crossing mountain ridges, creek valleys, and sandstone bluffs between Lake Fort Smith and Lake Sylvia near Little Rock.

  • Distance: 165 miles (thru-hike: 10-14 days)
  • Terrain: Strenuous — constant elevation changes, stream crossings
  • Water Sources: Creek crossings (filter required)
  • Permits: Not required, but registration recommended

Swimming Pool Complex

FeatureDetails
PoolFull swimming pool (no lake swimming)
Water Slides2 water slides
Splash PadToddler/wading area
SeasonMemorial Day – Labor Day weekend

Camping

TypeSitesDetails
Class AAA (Full Hookup)20Water, sewer, 50-amp electric
Class B (Partial)10Water, 30-amp electric
Total30Modern restrooms, central location

Cabins

FeatureDetails
Number10 cabins
AmenitiesFull kitchen, heat/AC, satellite TV
SeasonYear-round

Fishing

SpeciesSeasonNotes
Largemouth BassSpring, FallPoints, bluffs, timber
Striped BassSpring, FallOpen water trolling
CrappieSpringBrush piles, deep structure
Channel CatfishSummerNight fishing, cut bait
Bream/SunfishSummerBank fishing, docks

Essential Visitor Information

DetailInformation
Address15458 Sheperd Springs Road, Mountainburg, AR 72946
Visitor Center8 AM – 5 PM daily
Phone(479) 369-2469
Emaillakefortsmith@arkansas.com
Entrance FeeFree day use; camping/cabin fees apply

Getting There

  • From Fort Smith: 30 miles northeast (~40 minutes)
  • From Fayetteville: 35 miles south (~45 minutes via I-49)
  • From Little Rock: 160 miles northwest (~2 hours 40 minutes)
  • From Tulsa: 120 miles east (~2 hours)

Can you swim in Lake Fort Smith?

No — swimming is not permitted in the lake. Lake Fort Smith is a drinking water supply reservoir, so body contact is prohibited. However, the park has a full swimming pool complex with two water slides, a splash pad, and a wading pool, open from Memorial Day through Labor Day.

What is the Ozark Highlands Trail?

The Ozark Highlands National Recreation Trail (OHT) is a 165-mile long-distance hiking trail through the Ozark National Forest. Lake Fort Smith State Park is the official western terminus. The trail runs east to Lake Sylvia near Little Rock, traversing the most rugged and scenic sections of the Ozarks — mountain ridges, creek valleys, sandstone bluffs, and remote forest. A thru-hike typically takes 10-14 days.

Sarah Mitchell

About the Author

Outdoor Editor & Trail Expert

Sarah Mitchell is an outdoor writer and trail researcher with over 8 years of experience exploring state parks across America. As the lead editor at AmericasStateParks.org, she has personally visited more than 200 parks in 42 states, logging thousands of trail miles and hundreds of campground nights. Sarah specializes in detailed park guides, accessibility information, and family-friendly outdoor planning. Her work focuses on helping first-time visitors feel confident and well-prepared for their state park adventures.

200+ state parks visited across 42 states | 8+ years of outdoor writing

Last updated: April 18, 2026

Park Location

15458 Sheperd Springs Road, Mountainburg, AR 72946