Frying Pan River
Fly fishing in Colorado · Intermediate · Best seasons: Spring, Summer, Fall, Winter
Target Species
Rainbow Trout, Brown Trout
About This Water
Below Ruedi Reservoir, this Gold Medal tailwater is known for massive midge hatches and large rainbows. Year-round fishing opportunity.
Fishing Recommendations
The Frying Pan River (or "The Pan") is a legendary destination in the fly fishing world. Located in the heart of the Rocky Mountains near Basalt, Colorado, this 14-mile stretch of Gold Medal water is a tailwater flowing from the Ruedi Reservoir into the Roaring Fork River. It is world-renowned for its massive trout, consistent hatches, and year-round fishability.
🎣 Location Overview
The Frying Pan is defined by its dramatic red sandstone canyon walls and crystal-clear water. As a tailwater, the river stays at a relatively constant temperature year-round, preventing it from freezing in the winter and keeping it cool in the summer.
What makes the Pan truly special is the Mysis Shrimp. These protein-rich crustaceans flush out of the Ruedi Reservoir dam, providing a calorie-dense diet that allows Rainbow and Brown trout to reach "football-like" proportions—often exceeding 10 pounds in the upper miles. The river is divided into distinct sections: the technical "Toilet Bowl" at the dam, the flats and deep pools of the upper river, and the classic pocket water of the lower river.
🐟 Target Species & Behavior
- Rainbow Trout: Found throughout the river, but the largest specimens congregate in the first mile below the dam. They are "shrimp-fed" and can be incredibly selective. Expect them to hold in deep seams and right against the "bubble line" where food is most concentrated.
- Brown Trout: Dominant in the middle and lower stretches. They are more aggressive than the rainbows and often hold in the undercut banks and behind large boulders. During the fall, they become highly active and territorial.
- Behavior: These fish are highly educated. They see thousands of flies a year and can distinguish between a size 22 and a size 24 midge. Stealth and presentation are more important here than anywhere else in Colorado.
📅 Best Times to Fish
- Spring (March – May): Excellent for Blue Winged Olives (BWO) and Midges. This is "locals' season" before the summer crowds arrive.
- Summer (June – August): The Green Drake hatch (usually starting in July) is the main event. It is one of the most famous dry-fly hatches in the world. Pale Morning Duns (PMDs) are also prolific.
- Fall (September – November): The Brown trout transition into spawn mode. BWO hatches return, and the crowds thin out. The scenery with the changing Aspens is world-class.
- Winter (December – February): A peaceful time to fish. The upper 2-3 miles remain ice-free. Mid-day midge hatches can provide surprising dry-fly action in the snow.
🪰 Recommended Flies & Techniques
Top Fly Patterns
- Mysis Shrimp: Will’s Mysis, Epoxy Mysis (Sizes 16–20). Mandatory for the upper river.
- Midges: Zebra Midge (black, red, silver), Bill’s Adult Midge, Top Secret Midge (Sizes 20–24).
- Dries: BWO Sparkle Dun, Parachute Adams, Henneberry’s Green Drake, Mole Fly (Sizes 12–22).
- Nymphs: Pheasant Tail, RS2 (gray or olive), Juju Beatis, 2nd Chance Midge.
Effective Techniques
- Sight Nymphing: Because the water is so clear, you can often spot your target. Use a small, clear "Pinch-on" indicator or just watch the fish’s mouth for a white flash.
- Dry-Dropper: Effective in the lower river's pocket water during summer.
- The "Pan" Rig: Use 6X or 7X fluorocarbon tippet. These fish are extremely leader-shy. Even the giants will spook if they see a heavy line.
💡 Pro Tips & Local Knowledge
- The "Toilet Bowl" Strategy: This is the pool directly under the dam spillway. It holds the biggest fish. Cast your Mysis shrimp patterns right into the white water and let them sink deep. Be prepared for a fight—these fish are powerful.
- Follow the Hatch: During the Green Drake season, the hatch moves upstream about one mile every few days. Check with local shops in Basalt to find the "active zone."
- Stealth Matters: Wear muted colors (grays, browns, greens). Approach pools from downstream and stay low. If you can see the fish clearly, they can likely see you.
- The "Micro" Rule: If you aren't getting hits on a size 20, drop to a 22 or 24. On the Frying Pan, smaller is almost always better.
⚠️ Important Information
- Access: The Frying Pan is easily accessible via Frying Pan Road. Public access is well-marked with signs. Respect private property, as there are several stretches of private land interspersed with public water.
- Regulations:
- The upper section (from Ruedi Dam to the Roaring Fork confluence) is Gold Medal Water.
- Catch and Release ONLY from the dam to the Roaring Fork.
- Artificial flies and lures only.
- Parking: Pull-offs are available along the road. Do not block traffic, as the road is narrow and used by heavy trucks.
- Ethics: Given the high pressure, practice good etiquette. Give other anglers plenty of space (at least one full pool distance) and don't "low-hole" someone already fishing a run.
Guide’s Final Word: The Frying Pan is a "graduate level" river. Don't be discouraged if you get skunked your first time. Success here is measured by patience and the perfection of your drift. Land one "Football Rainbow" and you'll be hooked for life.
Bug Hatches & Matching Flies
| Hatch | Type | Peak months | Time of day | Hook sizes | Matching flies |
|---|---|---|---|---|---|
| Midges Chironomidae | midge | January, February, March, December | All Day | #18-24 | Bill's Adult Midge #20-22, Zebra Midge #18-22, Top Secret Midge #20-24 |
| Blue Winged Olive Baetis | mayfly | April, May, September, October | Midday | #18-22 | BWO Sparkle Dun #18-22, JujuBaetis #18-22, RS2 #20-22 |
| Pale Morning Dun Ephemerella invaria | mayfly | July, August | Late Morning/Afternoon | #16-18 | PMD Parachute #16-18, Split Case PMD #16-18, Chocolate Thunder #16-18 |
| Green Drake Drunella grandis | mayfly | July, August, September | Late Afternoon/Evening | #10-12 | Colorado Green Drake #10-12, Poudre Deceiver #12, Drake Cripple #10-12 |
| Spotted Sedge Hydropsyche | caddis | June, July, August | Evening | #14-18 | Elk Hair Caddis #14-18, LaFontaine's Deep Sparkle Pupa #14-16, Graphic Caddis #16-18 |
| Yellow Sally Isoperla | stonefly | June, July | Afternoon | #14-16 | Yellow Sally Parachute #14-16, Iron Sally #14-16 |
| Red Quill Rhithrogena | mayfly | August, September | Afternoon | #12-14 | Red Quill Parachute #12-14, Pheasant Tail #12-14 |
| Terrestrials Formicidae/Coleoptera | terrestrial | August, September | All Day | #14-18 | Cinnamon Ant #16-18, Amy's Ant #14, Black Beetle #16-18 |