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I 278.7 KAKHONAK RIVER ( Iliamna Lake) 



LOCATION: 59°26'5l+" N. 15l+''29'00" W. 



PREVIOUS NAMES OR NUMBERS: B5 



U.S.G.S. MAP: Iliamna, 1:250,000 



PHYSICAL DESCRIPTION 



TOTAL LENGTH: 8.8 miles 



LENGTH ACCESSIBLE TO SAmON: 8.8 miles 



AVERAGE WIDTH: lUO ' RANGE: 80 '-1,200' 



AVERAGE DEPTH: i+8"-60" RANGE: 



TOTAL ACCESSIBLE SPAWNING AREA: 723,096 square yards {ikS.k acres) 



POTENTIAL SPAWNING AREA: 6^, 43,560 sqmre yards (9.O acres) 



BOTTOM QUALITY: Poor spawning facilities. Most of bottom either sand, or 

 boiilder and bedrock. Bottom fairly stable. 



WATERSHED: 1^9 square miles. Shallow stream- cut canyon through rolling 

 hills, with thin spruce forest. Glacier^ cut mountainous headwaters. 

 Majority of river a series of large pools connected by rapids. Four 

 falls between Kakhonak Lake and Iliamna lake, heights from 5 '-20*. 

 Falls at lake impassable. Falls at mouth a partial block. Source: 

 Kakhonak lake. 



GRADIENT: 22 '/mile 



WATER VELOCITY: 5.O fps between pools 



FLOW: 1,200 cfs (Jvdy 12, I962). RANGE: 



Measured below Kakhonak lake, river 

 level up 18" due to strong east wind 

 and heavy rain. 



AIR TEMPERATURE: ll+.o" C. (Jiily 12, I962) 



WATER TEMPERATURE: IS-O" C. (July 12, I962) 



POOLS AND RIFFLES: 



