Colorado · lake

Dillon Reservoir

Dillon Reservoir, sometimes referred to as Lake Dillon, is a large fresh water reservoir located in Summit County, Colorado, United States, south of I-70 and bordered by the towns of Frisco, Silverthorne, and Dillon. It is a reservoir for the city of Denver, and its waters are under the control of Denver Water. From Wikipedia

Elevation
9,016 ft

Flow now

Blue River Below Dillon, CO., 2 mi from the lake.

61cfsat build, Nov 12, 11 AM MT

076151Oct 12Nov 11

The typical week here, from 10 years of record: 58 cfs to 105 cfs, around 101 cfs.

Water temperature at the gauge: 45°F.

Also gauged at Blue River Near Dillon, CO: 30 cfs, Nov 12.

Snowpack

0.5 in of water in the snow at Loveland Basin and 2 more stations, against a median 2.1 in for the date (25 % of normal).

The snowpack here usually builds from Oct 10, peaks May 2 and is gone by Jun 14; runoff follows the melt.

The season, November

Usually workable this week. Pick your window and fish it well.

  • Midgessizes 18 to 22
  • Small eggs and worms
  • Pheasant tail and zebra midge nymphsunder an indicator

Typical for the week over 10 years: 58 to 105 cfs. Running 61 cfs today, inside that range. Flows are not forecast; check the gauge the day before.

Brown Trout are spawning (October to December). Stay off clean, light-coloured gravel in riffle tails and pool tailouts, and leave paired fish alone.

Brook Trout are spawning (September to November). Stay off clean, light-coloured gravel in riffle tails and pool tailouts, and leave paired fish alone.

Mountain Whitefish are spawning (October to December). The egg bite behind spawning whitefish is the best winter nymphing of the year: an egg pattern below the riffles.

  • Egg patterns in the runs below the spawning gravel, never on it.

Written by the app's rules engine from the calendar, the gauge record and the snowpack, not by hand, so it says only what the data says. The weather for the week comes with the app.

Fly shops on this water

  • Mountain Angler BreckenridgeWebsite

Nearby waters

Every Colorado water

Open Dillon Reservoir in FlyMaster for today's plan, the flies, and your own log here.

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Flows from the U.S. Geological Survey, snowpack from the NRCS SNOTEL network, text from Wikipedia (CC BY-SA 4.0). Built Nov 12.