Quivira National Wildlife Refuge (headquarters/visitor contact station)

Kansas

TypeParks & scenic
Visitingfree

Big Salt Marsh here is one of only a handful of inland salt marshes left in North America -- sandhill cranes and whooping cranes stage by the thousands every fall, and the free self-guided auto tour loop lets you park right at the water's edge without a boat.

Pairs with Cheyenne Bottoms as the two-stop 'Wetlands & Wildlife Byway' cluster -- free, federal, well-maintained gravel entrance road, distinct site from Cheyenne Bottoms (no duplication). Coordinate is the HQ/contact-station entrance, the only point with a sourced street address; the Big Salt Marsh auto-tour overlook itself is real but its exact coordinates were not found in official sources, so it is not listed as a separate candidate to avoid fake precision.

Hours, admission, and access change — confirm with the official source before you plan the detour.

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