Clark Canyon Reservoir offers some of the finest lake fishing for rainbow
trout to be found anywhere in the state. Each year the reservoir is heavily
stocked with fast growing strains of rainbow trout. Due to the warm water
and fertility of the reservoir (the reservoir has hatches), these trout
become large and feed aggressively.
Clark Canyon Reservoir, located south of Dillon, is the headwaters of
River and the terminus of the Red
Rock River. Access to the reservoir is excellent, as it lies just
off Interstate 15. A number of dirt roads ring most parts of the reservoir,
allowing for easy access to all parts of this 5000 acre lake.
Use of Clark Canyon Reservoir is quite high. It receives heavy use from
personal watercraft, water-skiers and pleasure boaters. It also receives
fairly heavy use from fisherman due to the high quality of the fishing.
Large streamers work well for the larger trout in the reservoir, while
smaller flies fished on top will catch the smaller fish when they are
The large size of the reservoir, combined with frequent high winds and
lots of motorboats, do not present ideal conditions for using a float
tube. As a result, any anglers planning on venturing away from the Beaverhead
River to try their luck on the reservoir should either use an inflatable
kayak or traditional canoe when winds are light or a motorboat during
windier conditions. Additionally, by the end of the summer, especially
during a dry year, the reservoir can be extremely low as it is heavily
drawn down for irrigation use.
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