Sullivan County · stream · order 5 river · ~363 cfs typical
Mongaup River
Stocked 6× since 2024 · NYSDEC
Mongaup River is a stream in Sullivan County, New York, stocked with Brown Trout — most recently on Apr 4, 2026. FishableWaters aggregates every stocking record for this water from NYSDEC; 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
Drizzle
75°
65°
7 mph
38%
Fri
Overcast
82°
63°
6 mph
1%
Sat
Overcast
88°
67°
9 mph
4%
↗ pressure risingPost-front rising pressure can slow things down for a day.
Stocking ledger
| — 2026 — | ||||
| Apr 4 | Brown Trout | 620 | 9" | |
| Apr 4 | Brown Trout | 70 | 12" | |
| — 2025 — | ||||
| Apr 1 | Brown Trout | 90 | 13.9" | |
| Apr 1 | Brown Trout | 790 | 7.1" | |
| — 2024 — | ||||
| Apr 1 | Brown Trout | 750 | 11.2" | |
| Apr 1 | Brown Trout | 90 | 13.4" | |
Angler reports
What's biting
No reports yet — be the first
Best bite times
No reports yet
Field notes
No notes yet
Nearby waters
- Bush Kill1.3 mi
- Shingle Kill1.4 mistocked Mar 1, 2024
- Bush Kill2.7 mi
- Stairway Lake2.4 mi
- Rio Reservoir4.2 mistocked Jun 1, 2024
- Reservoir Number Three3.4 mi
- Mill Brook3.6 mi
- Cahoonzie Lake3.8 mi
Seasons, limits, and rules are the state's call — check the official NY regulations and buy your license before you go. We link the source; we never restate the rules.
Mongaup River fishing — FAQ
What fish are stocked in Mongaup River?+
Mongaup River is stocked with Brown Trout in Sullivan County, New York, most recently on Apr 4, 2026 by NYSDEC. The full stocking ledger is on this page.
When does Mongaup River get stocked?+
Going by 6 records since 2024, stocking at Mongaup River peaks in April. Check this page for the season's scheduled and most recent stockings.
Do I need a license to fish Mongaup River?+
Yes — New York 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 Mongaup River?+
Mongaup River is a stream in Sullivan County, New York. Driving directions and an interactive topo map are on this page.
Data: NYSDEC · updated Apr 4, 2026 · checked daily · we publish what agencies publish, nothing else.