Big Creek Salt Marsh Wildlife Loop

The Big Creek Salt Marsh Wildlife Loop cuts through one of Kansas’s most unusual ecosystems—alkaline wetlands fed by underground salt springs that have drawn wildlife for millennia. The route begins at Kanopolis State Park and follows maintenance roads through the salt marshes where brine shrimp and salt-tolerant plants create habitat unlike anywhere else in the Great Plains. The main obstacle is Big Creek itself, which requires two crossings through knee-deep water that can turn to quicksand-like mud when water levels drop in late summer.

This moderate trail demands high-clearance 4WD and recovery gear—the salt marsh mud has a way of grabbing axles that’ll humble overconfident drivers. Spring and early summer provide the most water for crossings, but also the worst mosquitoes and ticks. Fall offers the best compromise of passable conditions and tolerable bugs. No overnight camping allowed, but the wildlife viewing—including rare shorebirds and the occasional mountain lion track in the salt flats—makes this worth the drive from anywhere in the region.