El Capitan is on the north side of the Valley, at its west end. Next

  

 

The Park Service has an online map.

Homepage

 

 

 

http://www.nps.gov/carto/PDF/YOSEmap2.pdf //////map of valley floor but not including El Cap

http://www2.nature.nps.gov/grd/usgsnps/yos/yosgmap.html /////geology map of Yosemite