Elmore County · stream · order 7 river · ~1,288 cfs typical
South Fork Boise River
Stocked 8× on record · IDFG
South Fork Boise River is a stream in Elmore 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
98°
68°
13 mph
0%
Fri
Overcast
103°
76°
11 mph
0%
Sat
Overcast
101°
74°
18 mph
0%
↗ pressure risingPost-front rising pressure can slow things down for a day.
Stocking ledger
| — 2026 — | ||||
| Jul 15 | Rainbow Trout (Triploid) | 950 | 6" | |
| Jul 14 | Rainbow Trout (Triploid) | 1,017 | 13" | |
| Jul 14 | Rainbow Trout (Triploid) | 1,900 | 6" | |
| Jul 1 | Rainbow Trout (Triploid) | 500 | 6" | |
| Jun 25 | Rainbow Trout (Triploid) | 950 | 6" | |
| Jun 9 | Rainbow Trout (Triploid) | 478 | 6" | |
| Jun 1 | Rainbow Trout (Triploid) | 962 | 6" | |
| Apr 29 | Rainbow Trout (Triploid) | 486 | 13" | |
When does South Fork Boise River get stocked?
Going by 8 records since 2026, stocking here peaks in June and July.
Angler reports
What's biting
No reports yet — be the first
Best bite times
No reports yet
Field notes
No notes yet
Nearby waters
- Cow Creek0.9 mi
- Arrowrock Reservoir1.1 mistocked May 21, 2026
- Cottonwood Creek2.4 mi
- Grouse Creek3.1 mi
- North Fork Cottonwood Creek4.3 mi
- Deer Creek3.4 mi
- Deadman Creek4.8 mi
- Wood Creek4.4 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.
South Fork Boise River fishing — FAQ
What fish are stocked in South Fork Boise River?+
South Fork Boise River is stocked with Rainbow Trout (Triploid) in Elmore County, Idaho, most recently on Jul 15, 2026 by IDFG. The full stocking ledger is on this page.
When does South Fork Boise River get stocked?+
Going by 8 records since 2026, stocking at South Fork Boise River peaks in June and July. Check this page for the season's scheduled and most recent stockings.
Do I need a license to fish South Fork Boise 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 South Fork Boise River?+
South Fork Boise River is a stream in Elmore 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.