El Camino Real de Tierra Adentro's official brochure (2016 revision) includes a map of the US portion of the trail that is administered by the National Park Service and Bureau of Land Management.
The historic map shows the trail from Mexico City to Ohkay Owingeh (San Juan) Pueblo.
GIS Interactive Map
The National Park Service Geographic Resources Program hosts an interactive trails map viewer. Choose the Santa Fe National Historic Trail and then zoom in to find the details you need for trip planning.
Tip: There are menu options at the top right and top left of the map viewer.
The top right menu allows you to look at the trail overlaid on street, topographic, or imagery maps. The top left menu lists functions you can give to the map - measure distance, make a printable map, and more.