Portage Channel USGS Lummi Island Quad, Washington, Topographic Map

Portage Channel is a Channel in the state of Washington (county of Whatcom), located at latitude - longitude coordinates (also known as lat-long or GPS coordinates) of N 48.72622 and W -122.6324. Portage Channel is shown in the center of the topographic (topo) map, which is sourced from the United States Geographical Survey map USGS Lummi Island quad. The nearest major town is Lummi Island, WA.