Summary
The reservoir is home to various fish species such as bass, bluegill, catfish, and trout. Nearby activities include hiking, biking, and bird watching. When fishing at Thomas Reservoir, it's recommended to use bait such as worms, power bait, and spinners. The best time of year to visit for fishing is during the spring and fall months with average temperatures of 55 to 70 degrees Fahrenheit.
Fish Species
Bluegill
Channel Catfish
Largemouth Bass
Nearby Fishing
Erie Lake
Waneka Lake
Teller Lake No. 5
Siena Reservoir
Teller Lake No. 3
Weather Forecast
Nearby Streamflow Levels
Angling Safety Guidelines
Check local fishing rules, seasons, size limits, and license requirements to ensure legal and sustainable angling.
Handle Fish Responsibly
Use wet hands, minimize air exposure, and release fish gently to improve survival rates when practicing catch-and-release.
Choose the Right Gear
Match your rod, line, and tackle to the species and conditions to increase success and reduce unnecessary harm to fish.
Respect the Waterway
Avoid disturbing habitat, prevent bank erosion, and keep a safe distance from spawning areas to protect ecosystems.
Keep It Clean
Pack out all line, hooks, bait containers, and trash—discarded gear can injure wildlife and degrade waterways.
Related Links
Area Campgrounds
| Location | Reservations | Toilets |
|---|---|---|
Boulder County Fairground
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St. Vrain State Park
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Union Reservoir
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Tipi Village
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Standley Lake
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Marfell Lake No. 1
Meadow Ridge
Candlelight Ridge
Arapahoe Ridge Park
Autum Ash
Lindenwood Park