Grand Canyon & Black Canyon Fishing Report
Rating
/5
*Parks Fly Shop guides have personally surveyed the waters and given a rating.
Weather
Water Temp
FLOW
Wind
Map
Hatch Chart

Current Report
The Yellowstone canyons are fishing very well this fall and are a great option for anglers looking to get away from the crowds and explore some new water. With flows dropping, access along the banks and canyon walls has opened up, allowing anglers to reach stretches of river that are typically difficult or impossible to fish on foot. Nymphing is still the name of the game, with big stonefly nymphs, caddis nymphs, and perdigons producing the most consistent action. There are also some opportunities for BWO and Drake Mackeral activity on the surface, especially on cloudy days. Streamers are another good option and can produce some quality fish as we move further into fall.
USGS Flow Chart
River Descriptions: Grand Canyon & Black Canyon
General Characteristics
- Deep canyons with sheer banks and boulder-covered shores.
- Challenging Class IV-V rapids.
- Mostly gravel/cobble bottom, some boulder fields.
- Volatile water conditions after rains and during runoff.
Fishery
- Decent-sized cutthroat trout (average 12-16″, some up to 20″).
- Respond well to dry flies, nymphs, and streamers.
- Prime fishing spots can be numerous, and safety is paramount.
Fishing Season
- Best after spring runoff clears (July onwards).
- Stoneflies (July), Caddis & Hoppers (August), Mayflies (later).
Recommended Access points
- Glacial Boulder Trail
- Agate Creek Tail
- Specimen Ridge Trail
- Tower Creek Trail
- Hellroaring Trail
- Blacktail Deer Creek Trail
- Yellowstone River Trail
Skill Level & FIsh Size
- Requires moderate angling skills and decent physical fitness due to challenging terrain.
- An excellent option for in shape anglers seeking a unique adventure.
ADDITIONAL NOTES
- Guided trips recommended for safety and access to prime spots.
- Research access points and conditions carefully before venturing in.



