Big Thompson River
Recent Guide Reports
Trending Flies in Recent Reports
- Woolly Bugger
- Parachute BWO
- BWO
- Parachute Adams
- Elk Hair Caddis
- San Juan Worm
- Leech
- Squirmy Wormy
- Thin Mint
- Pat's Rubberlegs
Current Conditions
Gauge Flow
High Water Warning
Gauge Height
Water Temperature
Water Temperature Over 68°F
Condition Graphs
Fly Shop Directory
Recent Guide Reports
Jun 08
Estes Angler
Big Thompson - RMNP
1
Updated 6/9/25 The flows of the Big Thompson Currently running through Moraine Park are at 324 cfs. Look for this to increase as the daily temperatures start to increase. Flows of The Big Thompson into lake Estes are currently running at 565 cfs. Try squirmy worms in pink and purple, small pheasant tails, cdc pheasant tails, Blowtorch, perdigons, Patts rubber legs small midge patterns and emergers Dries try Parachute Adams, ext. body BWOs, deer/elk hair caddis pattrns. Streamer patterns try Thin mints, Blk/Olive colored Woolly Bugger and leech patterns.
1
Updated 6/9/25 The flows of the Big Thompson Currently running through Moraine Park are at 324 cfs. Look for this to increase as the daily temperatures start to increase. Flows of The Big Thompson into lake Estes are currently running at 565 cfs. Try squirmy worms in pink and purple, small pheasant tails, cdc pheasant tails, Blowtorch, perdigons, Patts rubber legs small midge patterns and emergers Dries try Parachute Adams, ext. body BWOs, deer/elk hair caddis pattrns. Streamer patterns try Thin mints, Blk/Olive colored Woolly Bugger and leech patterns.
Jun 08
Estes Angler
Big Thompson - Canyon
Updated 6/9/25 The flows into Lake Estes are currently 565 cfs. As of this post current flows out of Lake Estes are now running at 128 cfs.. With high amounts of water still running into Lake Estes be sure and check flows out of the lake before heading out. With the current flows, Fishing continues to be very good from the spillway on down the canyon to Loveland. squirmy worms, Sparkle wing RS2 in Black and Gray in sizes 18/20 work well and Copper ribbed and Foam Head emergers, Patts Rubber legs, Stonefly nymph patterns, Perdigons, Scuds, Hot head Sow Bugs, Hares Ear, CDC Peasant tails, Walts worm and Frenchies. Dry flies would be small extended body BWOs parachute Adams, Elk Hair Caddis flies, Ant patterns, purple haze parachute flies in sizes 14 all the way down to size 26 have been productive. Wooly Buggers try Thin Mints, olive and black and black and Olive leech patterns are still working well when fished in the deeper slower moving waters.
Updated 6/9/25 The flows into Lake Estes are currently 565 cfs. As of this post current flows out of Lake Estes are now running at 128 cfs.. With high amounts of water still running into Lake Estes be sure and check flows out of the lake before heading out. With the current flows, Fishing continues to be very good from the spillway on down the canyon to Loveland. squirmy worms, Sparkle wing RS2 in Black and Gray in sizes 18/20 work well and Copper ribbed and Foam Head emergers, Patts Rubber legs, Stonefly nymph patterns, Perdigons, Scuds, Hot head Sow Bugs, Hares Ear, CDC Peasant tails, Walts worm and Frenchies. Dry flies would be small extended body BWOs parachute Adams, Elk Hair Caddis flies, Ant patterns, purple haze parachute flies in sizes 14 all the way down to size 26 have been productive. Wooly Buggers try Thin Mints, olive and black and black and Olive leech patterns are still working well when fished in the deeper slower moving waters.
Jun 02
Estes Angler
Big Thompson - Canyon
Updated 6/2/25 The flows into Lake Estes are currently 773 cfs. As of this post current flows out of Lake Estes are now running at 320 cfs.. With high amounts of water still running into Lake Estes be sure and check flows out of the lake before heading out. With the current flows, Fishing continues to be very good from the spillway on down the canyon to Loveland. squirmy worms, Sparkle wing RS2 in Black and Gray in sizes 18/20 work well and Copper ribbed and Foam Head emergers, Patts Rubber legs, Stonefly nymph patterns, Perdigons, Scuds, Hot head Sow Bugs, Hares Ear, CDC Peasant tails, Walts worm. Dry flies would be small extended body BWOs parachute Adams, Elk Hair Caddis flies, purple haze parachute flies in sizes 14 all the way down to size 26 have been productive. Wooly Buggers try Thin Mints, olive and black and black and Olive leech patterns are still working well when fished in the deeper slower moving waters.
Updated 6/2/25 The flows into Lake Estes are currently 773 cfs. As of this post current flows out of Lake Estes are now running at 320 cfs.. With high amounts of water still running into Lake Estes be sure and check flows out of the lake before heading out. With the current flows, Fishing continues to be very good from the spillway on down the canyon to Loveland. squirmy worms, Sparkle wing RS2 in Black and Gray in sizes 18/20 work well and Copper ribbed and Foam Head emergers, Patts Rubber legs, Stonefly nymph patterns, Perdigons, Scuds, Hot head Sow Bugs, Hares Ear, CDC Peasant tails, Walts worm. Dry flies would be small extended body BWOs parachute Adams, Elk Hair Caddis flies, purple haze parachute flies in sizes 14 all the way down to size 26 have been productive. Wooly Buggers try Thin Mints, olive and black and black and Olive leech patterns are still working well when fished in the deeper slower moving waters.
May 25
Estes Angler
Big Thompson - RMNP
1
Updated 5/26/25 The flows of the Big Thompson Currently running through Moraine Park are at 196 cfs. Look for this to increase as the daily temperatures start to increase. Flows of The Big Thompson into lake Estes are currently running at 340 cfs. Try squirmy worms in pink and purple, small peasant tails, small midge patterns and emergers Dries try Parachute Adams, ext. body BWOs, mole flies. Streamer patterns try Thin mints, Blk/Olive colored Woolly Bugger and leech patterns.
1
Updated 5/26/25 The flows of the Big Thompson Currently running through Moraine Park are at 196 cfs. Look for this to increase as the daily temperatures start to increase. Flows of The Big Thompson into lake Estes are currently running at 340 cfs. Try squirmy worms in pink and purple, small peasant tails, small midge patterns and emergers Dries try Parachute Adams, ext. body BWOs, mole flies. Streamer patterns try Thin mints, Blk/Olive colored Woolly Bugger and leech patterns.
May 25
Estes Angler
Big Thompson - Canyon
Updated 5/26/25 The flows into Lake Estes are currently 340 cfs. As of this post current flows out of Lake Estes are now running at 124 cfs.. With high amounts of water still running into Lake Estes be sure and check flows out of the lake before heading out. With the current flows, Fishing continues to be very good from the spillway on down the canyon to Loveland. squirmy worms, Sparkle wing RS2 in Black and Gray in sizes 18/20 work well and Copper ribbed and Foam Head emergers, Patts Rubber legs, Stonefly nymph patterns, Perdigons, Scuds, Sow Bugs, Hares Ear, Frenchies, Walts worm. Dry flies would be small extended body BWOs parachute Adams, Mole Flies Elk Hair Caddis flies, purple haze parachute flies in sizes 14 all the way down to size 26 have been productive. Griffiths gnat trailed behind the parachutes have worked well when the trout are rising to the surface. Wooly Buggers try Thin Mints, olive and black and black and Olive leech patterns are still working well when fished in the deeper slower moving waters.
Updated 5/26/25 The flows into Lake Estes are currently 340 cfs. As of this post current flows out of Lake Estes are now running at 124 cfs.. With high amounts of water still running into Lake Estes be sure and check flows out of the lake before heading out. With the current flows, Fishing continues to be very good from the spillway on down the canyon to Loveland. squirmy worms, Sparkle wing RS2 in Black and Gray in sizes 18/20 work well and Copper ribbed and Foam Head emergers, Patts Rubber legs, Stonefly nymph patterns, Perdigons, Scuds, Sow Bugs, Hares Ear, Frenchies, Walts worm. Dry flies would be small extended body BWOs parachute Adams, Mole Flies Elk Hair Caddis flies, purple haze parachute flies in sizes 14 all the way down to size 26 have been productive. Griffiths gnat trailed behind the parachutes have worked well when the trout are rising to the surface. Wooly Buggers try Thin Mints, olive and black and black and Olive leech patterns are still working well when fished in the deeper slower moving waters.