<P> The Organ Mountains are a rugged mountain range in southern New Mexico in the Southwestern United States . Organ Mountains - Desert Peaks National Monument was declared a national monument on May 21 , 2014 . They lie 10 miles ( 16 km ) east of the city of Las Cruces , in Doña Ana County . </P>
where are the organ mountains in new mexico
10 miles ( 16 km ) east of the city of Las Cruces , in Doña Ana County