 Elevations in the watershed vary widely , ranging from just over 400 feet ( 120 m ) at the Missouri 's mouth to the 14 @,@ 293 @-@ foot ( 4 @,@ 357 m ) summit of Mount Lincoln in central Colorado . The river itself drops a total of 8 @,@ 626 feet ( 2 @,@ 629 m ) from Brower 's Spring , the farthest source . Although the plains of the watershed have extremely little local vertical relief , the land rises about 10 feet per mile ( 1 @.@ 9 m / km ) from east to west . The elevation is less than 500 feet ( 150 m ) at the eastern border of the watershed , but is over 3 @,@ 000 feet ( 910 m ) above sea level in many places at the base of the Rockies . 
 Elevations in the watershed vary widely , ranging from just over 400 feet ( 120 m ) at the Missouri <a href='null_genetive' title='1'><mark>'s</mark></a>mouth to the 14 @,@ 293 @-@ foot ( 4 @,@ 357 m ) summit of Mount Lincoln in central Colorado . The river itself <a href='uninflect' title='2'><mark>drops</mark></a> a total of 8 @,@ 626 feet ( 2 @,@ 629 m ) from Brower <a href='null_genetive' title='3'><mark>'s</mark></a>Spring , the farthest source . Although the plains of the watershed <a href='got' title='4'><mark>have</mark></a> extremely little local vertical relief , the land <a href='uninflect' title='5'><mark>rises</mark></a> about 10 feet per mile ( 1 @.@ 9 m / km ) from east to west . The elevation <a href='drop_aux' title='6'><mark>is</mark></a>less than 500 feet ( 150 m ) at the eastern border of the watershed , but <a href='drop_aux' title='7'><mark>is</mark></a>over 3 @,@ 000 feet ( 910 m ) above sea level in many places at the base of the Rockies . 
Elevations in da watershed vary widely , ranging from just over 400 feet ( 120 m ) at tdaMissouri  mouth to thda4 @,@ 293 @-@ foot ( 4 @,@ 357 m ) summit of Mount Lincoln in central Colorado . The river itself drop a total of 8 @,@ 626 feet ( 2 @,@ 629 m ) from Brower  Spring , the farthest source . Although the plains of the watershed got extremely little local vertical relief , thedand rise about 10 feet per mile ( 1 @.@ 9 m / km ) from east to west . The elevation less than 500 feet ( 150 m ) at the datern border of the watershed , but ova 3 @,@ 000 feet ( 910 m ) above sea level in many places at the base of the Rdaies .