
Tidal marshes, mudflats and river channels at the Thomas Unit yield classic Chesapeake Bay images: wading birds (egrets, herons), waterfowl, raptors and expansive marshland vistas. Best at sunrise/sunset for warm side-light and reflections; migration (spring/fall) and cold snaps bring high bird concentrations. Small parking area, free entry; shallow boardwalks and trails provide accessible vantage points—trail surfaces can be soft after rain. Low tide reveals textured mudflats; bring insect rep‑

Tidal marshes, mudflats and river channels at the Thomas Unit yield classic Chesapeake Bay images: wading birds (egrets, herons), waterfowl, raptors and expansive marshland vistas. Best at sunrise/sunset for warm side-light and reflections; migration (spring/fall) and cold snaps bring high bird concentrations. Small parking area, free entry; shallow boardwalks and trails provide accessible vantage points—trail surfaces can be soft after rain. Low tide reveals textured mudflats; bring insect rep‑