Alaska
Gulkana River
Live Conditions
Gulkana River — Gulkana River at Sourdough, AK
7-Day Flow
↓ Falling
24-Hr Pressure
27.69 inHg · → High/stable
Local Weather
Tough conditions — fish deep
Today
🌧️Rain
48° / 41°
0.34"
Tomorrow
☁️Overcast
57° / 36°
Wed
☁️Overcast
56° / 33°
Thu
☁️Overcast
61° / 32°
Rain in forecast — expect rising, off-color water in 12–24 hrs.
Weather by Open-Meteo · No API key · Updated every 30 min
What should I fish today?
⚡ AIAI-powered recommendation using today's live flow, temperature, and hatch data.
8.6
Time of Day
Using: 1,000 CFS · 48.9°F · Excellent fall grayling fishing. BWO-style mayfly patterns become productive on cooler days. Cool nights drop water temp; fish concentrate in pools.
What should I pack?
Rod, flies, tippet, and safety gear specific to today's Gulkana River conditions.
🪰 Hatch Calendar
Gulkana River · September · Early Fall
🟢 Active now at 48.9°F water
Select month
Excellent fall grayling fishing. BWO-style mayfly patterns become productive on cooler days. Cool nights drop water temp; fish concentrate in pools.
🟢 Active · 🟡 Approaching · ⚪ Seasonal only
River Map
About Gulkana River
A federally designated National Wild River and one of the finest Arctic grayling fisheries in North America. The Gulkana is a clearwater tributary of the upper Copper River drainage that runs gin-clear even at high water — a rarity in Alaska — making sight fishing possible. Grayling readily take dry flies (Elk-hair caddis, Humpies, Wooly Worms), making this the best 'trout-like' dry fly experience in Southcentral Alaska. Road access at multiple Richardson Highway points — the standard 47-mile Paxson-to-Sourdough float involves Class II water with one Class III–IV section that may require portage depending on levels. Within 5 hours of both Anchorage and Fairbanks. Grayling, rainbow trout, small steelhead run, and June–August sockeye. King salmon June–July (verify 2026 emergency-order status — Interior drainages have separate management).
Regulations
Alaska sport fishing license required ($20 resident / $100 non-resident annual). King salmon stamp required to fish for king salmon. ⚠️ 2026 EMERGENCY ORDERS may apply to Interior drainage king salmon — verify at adfg.alaska.gov before targeting kings. Sockeye June–August. The Gulkana drainage falls under ADF&G Interior management area regulations (separate from Southcentral) — check Interior Sport Fishing Regulations summary. National Wild River designation means motorized vehicles prohibited from the river corridor.
Learn More
Guides to help you fish Gulkana River with more confidence.
Alaska Fly Fishing Regulations Guide
Alaska sport fishing license + King Salmon Stamp pricing, the active 2026 ADF&G emergency-order regime including the FULL CLOSURE on Kenai king…
Trout & Salmon Species of Alaska
Alaska's wild Rainbow Trout (Kenai 25-30", Naknek 28-34" routine, Russian River side-channel egg feeders), the iconic Steelhead of the Situk (largest…
How Barometric Pressure Affects Fishing (And How to Use It)
That gorgeous bluebird day after a cold front? Worst fishing of the year. Here's the data behind why pressure changes matter more than the weather…