Bannock County · stream · order 7 river · ~527 cfs typical
Portneuf River
Stocked 7× on record · IDFG
Portneuf River is a stream in Bannock County, Idaho, stocked with Rainbow Trout (Triploid) — most recently on Jul 15, 2026. FishableWaters aggregates every stocking record for this water from IDFG; the latest schedule and today's bite windows are above.
Best days this week
Days near a new or full moon tend to fish best.
Today's bite windows
Conditions, next 3 days
Today
Clear
94°
59°
20 mph
2%
Fri
Overcast
99°
61°
12 mph
1%
Sat
Overcast
103°
61°
14 mph
0%
→ pressure steadyStable weather — expect a normal bite.
Stocking ledger
| — 2026 — | ||||
| Jul 15 | Rainbow Trout (Triploid) | 1,300 | 6" | |
| Jul 13 | Rainbow Trout (Triploid) | 500 | 6" | |
| Jul 10 | Rainbow Trout (Triploid) | 1,300 | 6" | |
| Jun 10 | Rainbow Trout (Triploid) | 1,300 | 6" | |
| Jun 9 | Rainbow Trout (Triploid) | 400 | 6" | |
| May 13 | Rainbow Trout (Triploid) | 400 | 6" | |
| May 6 | Rainbow Trout (Triploid) | 400 | 6" | |
Angler reports
What's biting
No reports yet — be the first
Best bite times
No reports yet
Field notes
No notes yet
Nearby waters
- American Falls Reservoir1.6 mistocked Jun 17, 2026
- Bannock Creek5.6 mi
- Spring Creek6.1 mi
- Danielson Creek8.0 mi
- Blind Spring Creek9.1 mi
- Big Fill Reservoir9.6 mi
- Big Jimmy Creek8.2 mi
- Clear Creek8.4 mi
Seasons, limits, and rules are the state's call — check the official ID regulations and buy your license before you go. We link the source; we never restate the rules.
Portneuf River fishing — FAQ
What fish are stocked in Portneuf River?+
Portneuf River is stocked with Rainbow Trout (Triploid) in Bannock County, Idaho, most recently on Jul 15, 2026 by IDFG. The full stocking ledger is on this page.
When does Portneuf River get stocked?+
Going by 7 records since 2026, stocking at Portneuf River peaks in July. Check this page for the season's scheduled and most recent stockings.
Do I need a license to fish Portneuf River?+
Yes — Idaho requires a fishing license. Buy one from the state and check current seasons and limits before you go; both are linked on this page.
Where is Portneuf River?+
Portneuf River is a stream in Bannock County, Idaho. Driving directions and an interactive topo map are on this page.
Data: IDFG · updated Jul 15, 2026 · checked daily · we publish what agencies publish, nothing else.