6 Tick Infested Areas In Arkansas

Arkansas reports some of the country's highest rates of Rocky Mountain spotted fever every year. The lone star tick swarms its forests so thickly that it outnumbers every other species here. Warm ground, heavy humidity and abundant deer keep ticks questing for much of the year. Rocky Mountain spotted fever and ehrlichiosis are the two illnesses residents encounter most. Lyme disease stays rare in Arkansas and turns up mostly in people who caught it out of state. Knowing which ticks favor which ground is the practical edge for anyone who works or hikes outdoors here.

Buffalo National River

Elevation and moisture split the tick population along the Buffalo National River corridor. American dog ticks gather on the brushy stream edges and sun-baked trailheads, and this is the species most likely to pass on Rocky Mountain spotted fever. Drop into the shaded hollows where leaf litter stays damp and the blacklegged tick takes over, though its role in Arkansas Lyme cases is minor. Lone star ticks claim the middle ground, working the regrowth and narrow wildlife clearings where the forest breaks open.

The practical lesson on this river is that a hiker can pass through three tick zones in a single afternoon. A shaded riverbank, a dry bluff trail and a grassy put-in each carry a different species. Exposure tracks the ground underfoot far more than the map.

Ozark National Forest

The Ozark National Forest covers much of northern Arkansas in hardwood ridges and thick understory. Its north-facing slopes and creek drainages hold moisture long after the uplands dry out, keeping the ground shaded and humid across huge unbroken blocks of forest.

This is lone star tick country above all else. Where the forest fragments into regrowth and edge, the lone star turns up in numbers, and it drives most of the ehrlichiosis reported across the state. Blacklegged ticks hold on in the cooler interior blocks, and American dog ticks patrol the exposed trail margins and roadside clearings that see the heaviest spotted fever and tularemia risk.

Ouachita National Forest

Edge habitat is the whole story in the Ouachita National Forest. Pine and hardwood stands break across narrow ridges, and shaded valleys give way to open clearings within a few steps. Ridgelines, river drainages and maintained access roads all multiply the transitional zones where one habitat meets another, and ticks concentrate on exactly these seams.

Lone star ticks dominate the brushy transitions and regrowth, especially where deer and small mammals shuttle between cover types. American dog ticks stake out the open seams, the trail borders and disturbed grass near recreation sites. Blacklegged ticks stay scarce and scattered, holding on only in the few pockets of continuously shaded interior.

Crowley's Ridge

Crowley's Ridge is an oddity in eastern Arkansas, a forested spine of windblown soil rising above flat farm country on every side. Hardwoods cover the ridge, broken by small ravines and gaps that pack a lot of forest edge into a short distance.

That constant edge favors the lone star tick, which works the brushy and semi-open borders along the crest. American dog ticks turn up in the more exposed, low-vegetation stretches. Blacklegged ticks keep to the shaded interior where the leaf litter stays undisturbed, though encounters with them are the least likely of the three.

White River

Seasonal flooding shapes everything along the White River, which lays down a patchwork of floodplain forest, levees and low margins. Lone star ticks concentrate on the drier levee corridors and forest edges where wildlife funnels through. Blacklegged ticks stick to the shaded floodplain forest where the leaf litter stays wet. American dog ticks favor the open grassy margins and the cleared ground near trails and access points.

Because these zones sit side by side on the floodplain, the risk can flip within a few paces as the moisture and vegetation change. A step off a dry levee into wet bottomland forest is also a step from one tick species to another.

Gulf Coastal Plain

Southern Arkansas is the one place on this list where the Gulf Coast tick has staked a real claim. Once limited to the coast, this species now holds established inland populations across the state, and the pine forests and pastures of the Gulf Coastal Plain suit it well. It carries Rickettsia parkeri, a spotted fever distinct from the one the dog tick spreads. Long warm seasons and steady humidity stretch the tick season here well past what northern Arkansas sees.

Gulf Coast ticks favor the open grassy and pasture-like stretches within this corridor, while lone star ticks work the brushy edges where forest gives way to clearing. The mix of pine stands, farm edges and wildlife paths keeps both species in easy reach of anyone crossing the transition zones.

Reading the Ground Before You Walk It

The through-line across all six areas is that tick species sort themselves by habitat, not by county line. Shaded, damp interior forest, brushy regrowth and open grassy margin each host a different tick, and Arkansas packs all three into most of its wild country. Residents cut their risk most by treating brushy trails, leaf-covered forest floor and tall grass as the high-exposure ground it is, especially through the warm months. A tick check after any time spent in that cover does more than any map of the state ever could.