--- title: Blue River Below Dillon Dam 1/15/25 description: Winter fly fishing on the Blue River below Dillon Dam offers consistent action with technical nymphing techniques. Learn about the best flies, conditions, and tactics for success. image: https://risebeyondflyfishing.com/hubfs/unnamed%20(56).png --- [Skip to content](https://risebeyondflyfishing.com/blog/blue-river-below-dillon-dam-1/15/25#main-content) This is a search field with an auto-suggest feature attached. - There are no suggestions because the search field is empty. 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[Blue River](https://risebeyondflyfishing.com/blog/tag/blue-river), - [River Report](https://risebeyondflyfishing.com/blog/tag/river-report), - [Western Colorado](https://risebeyondflyfishing.com/blog/tag/western-colorado), - [Breckenridge Fly Fishing](https://risebeyondflyfishing.com/blog/tag/breckenridge-fly-fishing), - [Blue River Fly Fishing Report](https://risebeyondflyfishing.com/blog/tag/blue-river-fly-fishing-report) # Blue River Below Dillon Dam 1/15/25 - January 15, 2026 ![Tymothe Meskel](https://risebeyondflyfishing.com/hubfs/Untitled%20design%20(33).png) [Tymothe Meskel](https://risebeyondflyfishing.com/blog/author/tymothe-meskel)   The Blue River at Dillon Dam is a classic winter tailwater that rewards precision and restraint. Clear water, cold temperatures, and heavy mysis-driven trout behavior define this stretch during January. While crowds can concentrate near easy access, the river fishes consistently for anglers who focus on depth, drift, and subtle presentation. **![blue river between sliverthorne and dillon dam fly fishing report](https://risebeyondflyfishing.com/hs-fs/hubfs/blue%20river%20between%20sliverthorne%20and%20dillon%20dam%20%20fly%20fishing%20report.png?width=810&height=810&name=blue%20river%20between%20sliverthorne%20and%20dillon%20dam%20%20fly%20fishing%20report.png)**  **Updated: January 7, 2026** The Blue River at Dillon Dam is running clear and cold under stable winter releases. Trout are holding deep in slow seams and tailouts, with movement increasing slightly during midday when sunlight hits the water. Feeding activity is deliberate and subtle, not aggressive. This week’s Blue River fly fishing report emphasizes accuracy. Mysis shrimp patterns paired with small midges are producing best results. Clean drifts matter more than fly changes, and lighter weight often outperforms heavier rigs when trout are suspended just off the bottom.   > #### Listen to the Audio Overview Blue\_River\_Tailwater\_Winter\_Nymphing\_Secrets 5:33   --- ## Conditions Summary ![rise beyond fly fihsing company in denver colorado a guide rating for a stream. Good is 5 trout. This rating is for 3 trout. So good or semi challenging fishing conditions.](https://risebeyondflyfishing.com/hs-fs/hubfs/Guide%20Ratings/Guide%20Rating%20(800%20x%20175%20px)%20(3).png?width=800&height=175&name=Guide%20Rating%20(800%20x%20175%20px)%20(3).png) - **Flow:** ~139 CFS, steady winter tailwater release - **Water Temperature:** Cold, tailwater controlled - **Air Temperature:** Low teens to low 30s - **Clarity:** Clear - **Crowds:** Medium, heaviest near the dam and town access **Best Window:** 11 a.m. to 3 p.m. **Fishing Type Focus:** Technical winter nymphing with midges and mysis   ![unnamed (56)](https://risebeyondflyfishing.com/hs-fs/hubfs/unnamed%20(56).png?width=900&height=900&name=unnamed%20(56).png)   --- ### Weather [SILVERTHORNE WEATHER](https://forecast7.com/en/39d63n106d07/silverthorne/?unit=us)   Cold mornings with limited early light. Calm, sunny days fish best. Once shadows reach the water, feeding activity drops quickly. --- ## Top Flies in Your Box This Week - **Black Beauty** 20 to 24 - **Zebra Midge** (black or red) 20 to 22 - **Mercury Midge** 20 to 22 - **Top Secret Midge** 22 to 24 - **RS2** (black or gray) 20 to 22 - **WD-40** 20 to 24 > #### Pro Rig of the Week: Dillon Dam Tiny Water Column Rig - **Indicator:** Small yarn or ultra-sensitive pinch-on - **Lead Fly:** Mysis Shrimp 16 to 18 - **Dropper:** Black Beauty or Zebra Midge 22 to 24 - **Weight:** One small BB placed 10 to 12 inches above the lead fly - **Target Water:** Slow tailouts, inside seams, and deeper winter troughs ## Hatch Chart for December ## Hatch Chart for January | Bug Type | Size | Notes | | --- | --- | --- | | Midges | 18 to 26 | Primary winter food source | | Mysis Shrimp | 16 to 18 | Important near the dam and deeper slots | > #### Download the Blue River Hatch Chart   ## Access Points **Silverthorne Town Stretch** ⭐⭐⭐⭐⭐ Classic floodwall water with consistent winter trout holding lanes. Rating: Five gold stars **Blue River Trail Pullouts** ⭐⭐⭐⭐☆ Long glides and deep seams with slightly less pressure. Rating: Four gold stars **Lower Corridor Access** ⭐⭐⭐⭐☆ Broader winter lanes and productive seams when flows are steady. Rating: Four gold stars --- ## **Stop Here After the River** ![Angry James](https://angryjamesbrewing.com/wp-content/uploads/2024/11/SM409545.jpg) **Angry James Brewing Co. (Silverthorne)** A relaxed post-river hangout with warm food-truck meals, mountain-town energy, and reliably good beer. **What to order:** The Resolute IPA with a rotating hot entrée from the food truck lineup. --- ## Local Regulations and Notes - Tailwater flows change; always check the release before fishing - Extremely clear water requires long leaders and 6X tippet - Sight-fishing is possible but demands quiet wading - Respect town pathways and private property along the corridor --- ## FAQ #### **Is the Blue River Below Dillon Dam Good for Fly Fishing in Winter?** Yes. The Blue River below Dillon Dam offers consistent winter trout fishing due to stable tailwater flows. Trout hold predictably in deeper seams and feed during short midday windows when conditions align. --- #### **How Technical Is Fly Fishing the Blue River Below Dillon Dam?** Very technical. Ultra-clear water, steady flows, and heavy angling pressure require precise drifts, small flies, and careful depth control. This stretch rewards patience and punishes sloppy presentations. Q: Is the **Blue River below Dillon Dam** good in winter? A: Yes. Cold but consistent flows make it one of Colorado’s most predictable winter tailwaters. Q: What weight rod should I bring? A: A 4 or 5 weight with a long leader setup is ideal for this technical water. Q: Are dries an option? A: Rarely, but on the warmest calm afternoons you might find isolated midge clusters. Q: What is the biggest mistake anglers make here? A: Heavy footsteps and heavy rigs. Everything here requires subtlety. Q: Does the flow matter more on a tailwater? A: Yes. Even small changes from the dam can shift where trout stack. Q: When is the best time of day? A: Midday, when water temps rise the most. **Q: Is the Blue River good in winter?** A: Yes. It is one of the most consistent winter tailwaters in Colorado, but it is very technical. **Q: What is the biggest mistake anglers make here?** A: Fishing too heavy or too fast. Subtle depth control matters more than fly changes. **Q: Are dry flies an option right now?** A: Rarely. Subsurface midge patterns dominate winter success. **Q: What leader and tippet setup works best?** A: Long leaders with 5X to the lead fly and 6X to the midge dropper. **Q: Does wind ruin the fishing?** A: It can. Wind makes precise drifts extremely difficult on this stretch. **Q: When does the bite shut down?** A: Typically mid-afternoon once shadows and colder air settle into the corridor.   --- > ## **Companion Article** > > [**Colorado Winter Trout Feeding Behavior in Clear Tailwaters**](https://risebeyondflyfishing.com/blog/colorado-winter-trout-feeding-behavior-why-micro-nymphs-matter-in-cold-tailwaters)       Blog Post ## Related Articles [![Get the latest Blue River fly fishing report with up-to-date water conditions, recommended flies, and tips for nymphing, dry fly, and streamer fishing in Colorado’s clear tailwaters.](https://risebeyondflyfishing.com/hubfs/Colorado%20Stream%20Fly%20Fishing%20Reports%20(12).png)](https://risebeyondflyfishing.com/blog/blue-river-fly-fishing-report-1/21/26) [Blue River](https://risebeyondflyfishing.com/blog/tag/blue-river), [River Report](https://risebeyondflyfishing.com/blog/tag/river-report), [Western Colorado](https://risebeyondflyfishing.com/blog/tag/western-colorado), [Breckenridge Fly Fishing](https://risebeyondflyfishing.com/blog/tag/breckenridge-fly-fishing), [Blue River Fly Fishing Report](https://risebeyondflyfishing.com/blog/tag/blue-river-fly-fishing-report) ### [Blue River Fly Fishing Report 1/21/26](https://risebeyondflyfishing.com/blog/blue-river-fly-fishing-report-1/21/26) January 22, 2026 The Blue River at Dillon Dam is a classic winter tailwater that rewards precision and restraint. Clear water, cold... [Read more](https://risebeyondflyfishing.com/blog/blue-river-fly-fishing-report-1/21/26) [![Get the latest Blue River fly fishing report with up-to-date water conditions, recommended flies, and tips for nymphing, dry fly, and streamer fishing in Colorado’s clear tailwaters.](https://risebeyondflyfishing.com/hubfs/Colorado%20Stream%20Fly%20Fishing%20Reports%20(12).png)](https://risebeyondflyfishing.com/blog/blue-river-fly-fishing-report-at-dillon-dam-12/4/25) [Blue River](https://risebeyondflyfishing.com/blog/tag/blue-river), [River Report](https://risebeyondflyfishing.com/blog/tag/river-report), [Western Colorado](https://risebeyondflyfishing.com/blog/tag/western-colorado), [Breckenridge Fly Fishing](https://risebeyondflyfishing.com/blog/tag/breckenridge-fly-fishing), [Blue River Fly Fishing Report](https://risebeyondflyfishing.com/blog/tag/blue-river-fly-fishing-report) ### [Blue River Fly Fishing Report at Dillon Dam –12/4/25](https://risebeyondflyfishing.com/blog/blue-river-fly-fishing-report-at-dillon-dam-12/4/25) December 5, 2025 One of Colorado’s most technical winter tailwaters, running cold and clear right now. [Read more](https://risebeyondflyfishing.com/blog/blue-river-fly-fishing-report-at-dillon-dam-12/4/25) [![Angler fly fishing on the Blue River in Colorado, casting into clear, cold waters below the Dillon Reservoir, surrounded by mountain scenery](https://risebeyondflyfishing.com/hubfs/Blue%20River%20-%20The%20Blue%20Rivers%20turquoise%20waters%20set%20against%20a%20mountainous%20horizon.png)](https://risebeyondflyfishing.com/blog/blue-river-fly-fishing-report-1/29/26) [Blue River](https://risebeyondflyfishing.com/blog/tag/blue-river), [Lower Blue River](https://risebeyondflyfishing.com/blog/tag/lower-blue-river), [River Report](https://risebeyondflyfishing.com/blog/tag/river-report), [Western Colorado](https://risebeyondflyfishing.com/blog/tag/western-colorado), [Breckenridge Fly Fishing](https://risebeyondflyfishing.com/blog/tag/breckenridge-fly-fishing), [Blue River Fly Fishing Report](https://risebeyondflyfishing.com/blog/tag/blue-river-fly-fishing-report), [Most Popular](https://risebeyondflyfishing.com/blog/tag/most-popular), [Mountain Region](https://risebeyondflyfishing.com/blog/tag/mountain-region) ### [Blue River Fly Fishing Report 1/29/26](https://risebeyondflyfishing.com/blog/blue-river-fly-fishing-report-1/29/26) January 22, 2026 The Blue River below Green Mountain Reservoir is a true winter tailwater. Cold, clear releases, steady flows, and trout... [Read more](https://risebeyondflyfishing.com/blog/blue-river-fly-fishing-report-1/29/26) Check all articles [![Rise Beyond Logo 10.29.24 300x100px (3)](https://risebeyondflyfishing.com/hs-fs/hubfs/Rise%20Beyond%20Logo%2010.29.24%20300x100px%20(3).png?width=300&height=100&name=Rise%20Beyond%20Logo%2010.29.24%20300x100px%20(3).png "Rise Beyond Logo 10.29.24 300x100px (3)")](https://www.risebeyondflyfishing.com) #### Wonder | Wander  At Rise Beyond Fly Fishing, our mission is to equip you with the tools and expertise to confidently traverse the beautiful Colorado waters. Tread lightly, pack out your shit, and leave it better than it was without changing how it's supposed to be. Anything worth doing is worth overdoing. Moderation is for cowards. 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