Check this map of the United States and Canada.
http://images.google.com/imgres?imgurl=http://www.peakbagger.com/map/r14.gif&imgrefurl=http://www.peakbagger.com/range.aspx%3Frid%3D14&h=289&w=289&sz=22&tbnid=_nYOqPicDlkHGM:&tbnh=115&tbnw=115&prev=/images%3Fq%3Drocky%2Bmountains%2Bmap%26um%3D1&start=1&sa=X&oi=images&ct=image&cd=1
where are the rocky mountains?
2 answers
They extend from New Mexico (where they are called the Sangre de Cristos) into Alberta and eastern British Columbia. The highest Rockies are in Colorado.