388 
The Colorado River 
ALTITUDE 
AT HEAD 
NAMES OK CANYONS, VALLEYS, AND 
CHIEF TRIBUTARIES OF THE COLORADO 
ALTITUDE 
AT FOOT 
DESCENT 
IN FEET 
LENGTH 
IN MILES 
GREATEST 
DEPTH OF 
CANYON 
Bonito Bend. 
STILLWATER CANYON... 
Grand River (East). .. 
3,860 
215 
42 | 
1,300 
3,860 
3,860 
CATARACT CANYON. 
41 
2,700 
Millecrag Bend.... .. . 
NARROW CANYON.. . .. 
3,430 
430 
1,300 
3,430 
Frdniont River^ mouth (West).. . 
Dandy Crossing... 
3,430 
3,300 
3,280 
3,220 
3,170 
3,170 
3,170 
2.690 
2.690 
GLEN CANYON.. 
3,170 
260 
149 
1,600 
Escalante River, mouth (West) . 
San Juan River, mouth (East).. 
Crossing of the Fathers. 
Faria River, mouth (West). 
Lee’s Ferry. 
marble'canyon... 
2,690 
480 
65^ 
3,500 
Little Colorado River, mouth (E.) 
GRAND CANYON. 
840 
1,850 
2 i 7 i 
6,000 
Bright Angel Creek, mouth (West) 
Tapeets Creek, mouth (West),.. . 
1,800 
Kanab Canyon, mouth (West) . . 
Havasupai Creek, mouth (East).. 
1,300 
840 
Diamond Creek, mouth (East). . . 
Grand Wash, mouth (West) ... . 
ICEBERG CANYON. 
VIRGIN CANYON. 
700 
Virgen River, mouth (West)... . 
140 
BOWLDER CANYON. 
20 
25 
2 
2,000 
1,700 
100 
BLACK CANYON. 
PAINTED CANYON. 
Cottonwood Valley. 
PYRAMID CANYON. 
6 
30 
8 
12 
6 
250 
Mohave Valley... 
MOHAVE CANYON. 
Chemehuevis Valley. 
MONUMENT CANYON. 
375 
Bill Williams Fork, mouth (East) 
Great Colorado Valley. 
325 
107 
10 
2 
CANEBRAKE CANYON..... 
Purple Hill Pass.... 
Explorer Pass.. 
120 
Gila River, mouth (East).. 
255 
PUERTO DE LA PURISIMA . 
1 
5 
50 
0 
Gulf of California.. 
120 
The longest stretch of unbroken canyon walls is the Marble and Grand, 283 
miles, with a total river fall of 2330 feet. 
The entire length of the river, counting the Green as the Upper Colorado, is 
about 2000 miles. The area drained is some 300 to 500 miles wide by 800 miles 
long, and contains approximately about 300,000 square miles. To the Gulf from 
the Grand Wash is in the neighbourhood of 600 miles ; from Lee’s Ferry, 900; 
from the mouth of Grand River, about iioo. 
