2021 Map of Yakutat B-4 NW

About this map

The coastal wetlands and tidal flats of the Tongass National Forest dominate this maritime landscape along the Gulf of Alaska. The shifting hydrology of the region is evident in the sprawling braided mouth of the Ahrnklin River and the delicate course of Seal Cr. Prominent coastal features like Blacksand Island and the elongated Blacksand Spit illustrate the dynamic interaction between river sediment and the open sea. This 2021 survey serves as a precise record of the shoreline before further natural erosion or deposition alters these low-lying features. The land is largely defined by its natural state, with the vast majority of the territory protected under national forest status, showcasing a wilderness area where water and land are in constant flux.