Big Hollow Upper Fish Stocking
GARFIELD County, Utah · 1981–2025 on record
According to Utah DWR — Fish Stocking Report, Big Hollow Upper was last stocked May 23, 2025 with Tiger Trout. Big Hollow Upper has 34 stocking records on file, spanning 1981–2025, with about 15,069 fish stocked over that period.
When Big Hollow Upper is stocked
Big Hollow Upper is typically stocked in fall, most often in September — 12 stocking events in that peak month.
Angler's Field Guide
Fishing Tips & Stocking Guide for Big Hollow Upper
Practical advice on fish behavior, recommended tackle, and state regulations for anglers fishing in GARFIELD County, Utah.
Post-Plant Behavior & Timing
Hatchery-raised fish are conditioned to pelleted feed and open raceways. Following a release into Big Hollow Upper, they typically congregate in schools near public access points, boat ramps, or inlets for the first 24 to 48 hours while adjusting to natural water conditions.
Since Big Hollow Upper was last stocked May 23, 2025, anglers visiting within 1 to 2 weeks of a reported event generally experience the highest activity before fish disperse into deeper cover.
State Regulations & Licensing
- •Fishing License: A valid Utah freshwater fishing license is required for anglers age 16 and older.Purchase Utah license online →
- •Official Rules & Limits: Bag limits, bait restrictions, and seasonal boundaries are set by Utah fish & wildlife agency.Official Utah regulations guidebook →
- •Ethical Conservation: Use barbless hooks and keep fish submerged in water during unhooking.Trout Thermal Advisory: When water temperatures rise above 68°F (20°C), released trout face severe mortality from thermal exhaustion. Target warmwater species or fish early in the morning when lakes and streams warm up.
Recommended Tackle & Presentations
Techniques tailored to the species stocked in Big Hollow Upper:
Stocked Trout Tactics
Use light 4–6 lb monofilament or fluorocarbon line. Float scented dough bait (PowerBait) 12–18" off bottom using a sliding slip-sinker rig with a size 14–16 treble hook. For active casting, throw 1/16 to 1/8 oz inline spinners (Panther Martin, Rooster Tail) or small spoons (Kastmaster) along drop-offs.
Tiger Trout Profile Tips
Known for hitting lures and flies aggressively; a favorite for anglers seeking a distinctive, hard-fighting stocked trout.
Cutthroat Trout Profile Tips
Known for being relatively easy to catch on dry flies, making it a favorite of western fly anglers; many subspecies are managed under catch-and-release rules to protect native populations.
Recommended Tackle for Big Hollow Upper
Field-tested tackle and presentations matched to the species stocked here.
Berkley PowerBait Floating Trout Dough
Hatchery-raised trout are conditioned to pelleted scents; scented dough floated 12–18 inches off bottom consistently triggers strikes.
Panther Martin Classic Teardrop Inline Spinner
The heavy convex blade spins instantly upon retrieval, sending vibration through the water that triggers aggressive reaction bites along drop-offs.
Sliding Sinker & Treble Hook Rigging Kit
Sliding egg sinkers allow cautious trout to run with bait without feeling line drag, while size 14–16 treble hooks keep dough bait securely pinned.
As an Amazon Associate, StockedWaters earns from qualifying purchases at no additional cost to you. Recommendations are chosen for hatchery-conditioned fish behavior and ethical rigging. We may receive a referral commission if you buy through these links. Read our editorial policy & standards.
Nearby stocked waters
Other stocked waters near Big Hollow Upper, freshest activity first.
Mammoth Creek
8 miIRON County · 5 species · 410 records
Last stocked June 2026
Duck Creek
15 miKANE County · 2 species · 220 records
Last stocked June 2026
Asay Creek
2 miGARFIELD County · 3 species · 236 records
Last stocked June 2026
Panguitch Lake
14 miGARFIELD County · 8 species · 1109 records
Last stocked May 2026
Panguitch Creek
12 miGARFIELD County · 6 species · 341 records
Last stocked May 2026
Tropic Reservoir
9 miGARFIELD County · 4 species · 166 records
Last stocked May 2026
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| May 23, 2025 | Tiger Trout | 510 | 9.93" | Utah DWR |
| June 12, 2024 | Mountain Sucker | 624 | 6.04" | Utah DWR |
| May 23, 2024 | Tiger Trout | 515 | 8.88" | Utah DWR |
| June 14, 2022 | Tiger Trout | 512 | 8.74" | Utah DWR |
| June 29, 2021 | Tiger Trout | 519 | 9.48" | Utah DWR |
| May 13, 2020 | Tiger Trout | 501 | 10.03" | Utah DWR |
| August 1, 2019 | Tiger Trout | 136 | 11.68" | Utah DWR |
| August 1, 2019 | Tiger Trout | 374 | 11.68" | Utah DWR |
Show 26 more stocking records →
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| June 14, 2017 | Cutthroat Trout | 435 | 7.02" | Utah DWR |
| June 13, 2016 | Cutthroat Trout | 422 | 7.04" | Utah DWR |
| June 3, 2015 | Cutthroat Trout | 432 | 6.99" | Utah DWR |
| May 22, 2014 | Cutthroat Trout | 400 | 6.76" | Utah DWR |
| September 13, 2012 | Cutthroat Trout | 434 | 2.36" | Utah DWR |
| September 14, 2011 | Cutthroat Trout | 393 | 1.63" | Utah DWR |
| September 28, 2010 | Cutthroat Trout | 400 | 2" | Utah DWR |
| September 21, 2010 | Cutthroat Trout | 415 | 2.02" | Utah DWR |
| October 6, 2009 | Cutthroat Trout | 419 | 1.96" | Utah DWR |
| September 28, 2009 | Cutthroat Trout | 400 | 2" | Utah DWR |
| September 28, 2008 | Cutthroat Trout | 400 | 2" | Utah DWR |
| September 16, 2008 | Cutthroat Trout | 455 | 2.01" | Utah DWR |
| September 29, 2007 | Cutthroat Trout | 400 | 2" | Utah DWR |
| September 21, 2007 | Cutthroat Trout | 470 | 1.54" | Utah DWR |
| September 29, 2006 | Cutthroat Trout | 400 | 2" | Utah DWR |
| October 11, 2005 | Cutthroat Trout | 410 | 1.91" | Utah DWR |
| September 29, 2005 | Cutthroat Trout | 400 | 2" | Utah DWR |
| October 18, 2004 | Cutthroat Trout | 410 | 2.2" | Utah DWR |
| October 16, 2003 | Cutthroat Trout | 399 | 1.81" | Utah DWR |
| October 3, 2002 | Cutthroat Trout | 400 | 1.99" | Utah DWR |
| October 5, 2001 | Cutthroat Trout | 517 | 1.97" | Utah DWR |
| September 20, 1999 | Cutthroat Trout | 514 | 1.37" | Utah DWR |
| August 19, 1999 | Brook Trout | 525 | 3.43" | Utah DWR |
| October 16, 1996 | Cutthroat Trout | 519 | 2.08" | Utah DWR |
| August 8, 1995 | Brook Trout | 508 | 3.27" | Utah DWR |
| June 10, 1981 | Brook Trout | 501 | — | Utah DWR |
Frequently asked
When was Big Hollow Upper last stocked?
According to Utah DWR — Fish Stocking Report, Big Hollow Upper was last stocked May 23, 2025 with Tiger Trout.
What fish species are stocked in Big Hollow Upper?
Big Hollow Upper is stocked with Tiger Trout, Mountain Sucker, Cutthroat Trout, and Brook Trout.
What time of year is Big Hollow Upper stocked?
Big Hollow Upper is typically stocked in fall, most often in September.
How often is Big Hollow Upper stocked?
Big Hollow Upper is stocked intermittently — 34 recorded stockings between 1981 and 2025.
How many fish have been stocked in Big Hollow Upper?
About 15,069 fish have been stocked in Big Hollow Upper across 34 recorded events since 1981, per Utah fish & wildlife agency.
What size are the fish stocked in Big Hollow Upper?
Fish stocked in Big Hollow Upper average about 4.5 inches, based on the sizes the agency reported.
Do you need a fishing license to fish Big Hollow Upper?
Yes, all anglers age 16 and older generally need a valid Utah freshwater fishing license. Always review current regulations from Utah fish & wildlife agency for site-specific rules, bag limits, or stamps.
How do you catch stocked trout in Big Hollow Upper?
Freshly stocked trout in Big Hollow Upper typically respond well to floating dough bait (such as PowerBait) floated 12–18 inches off bottom on light 4–6 lb leader, live nightcrawlers under a bobber, and small inline spinners or spoons retrieved along shorelines and drop-offs.