The Napa River dominates this landscape as it meanders toward San Pablo Bay, creating a complex network of wetlands and tidal channels. This environment is defined by its numerous named sloughs, including Steamboat Slough, Hudeman Slough, and China Slough, which weave around low-lying land masses like Bull Island and Russ Island. Much of the southwestern portion is protected within the San Pablo Bay National Wildlife Refuge, preserving the natural character of the marshes where the river meets the bay.
124 named features on this map. Tap any name to fly to it.
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This is the sole edition of this map. No revisions or reprints were ever made.
1896 · Carquinez Strait
USGS Topo · 1:62,500
1898 · Karquines
USGS Topo · 1:62,500
1901 · Karquines
USGS Topo · 1:62,500
1902 · Napa
USGS Topo · 1:125,000
1916 · Mare Island
USGS Topo · 1:62,500
1921 · Mt. Vaca
USGS Topo · 1:62,500
1940 · Carquinez Strait
USGS Topo · 1:62,500
1942 · Mare Island
USGS Topo · 1:62,500
1942 · Carquinez
USGS Topo · 1:62,500
1942 · Sonoma
USGS Topo · 1:62,500