SU SLEEPER UNITS Wyoming Wyoming Unit 107 Hunt Planner Draw Odds
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Unit 107

3-D satellite terrain of Unit 107, served by Wayward — the free iPhone GPS app from the people behind Sleeper Units. Drag to turn, scroll or pinch to zoom. Get Wayward and the whole unit rides on your phone, offline.

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Area 107 covers the dramatic western escarpment of the Bighorn Mountains around Hyattville and the Medicine Lodge area, climbing from the Bighorn Basin floor up to the Bighorn high country. Elevations run from about 4,500 feet on the basin benches to over 10,000 feet on the high Bighorn ridges. The escarpment is steep and dramatic—the Bighorns rise abruptly out of the basin and the country gains 5,000+ feet of elevation in a few miles. Vegetation stratifies hard: sage and bunchgrass on the lower benches, mountain mahogany and juniper on the rocky shoulders, transitioning through Douglas fir and limber pine into lodgepole and spruce-fir on the upper slopes, with alpine country on the highest ridges. Medicine Lodge State Archaeological Site preserves significant petroglyph and pictograph panels and is worth a visit. Paint Rock Creek and Medicine Lodge Creek drain the country. Bighorn NF covers the upper country, with BLM and significant private ranch in the foothills. Forest roads off US-16 provide access; the Hyattville-area county roads climb into the foothills. Hyattville is tiny—a post office and not much else; Worland is the full-service supply town and Manderson is closer. Cell service drops fast. Quality elk in the upper timber for those who draw, mule deer in the mahogany breaks and lower forest, antelope on the basin benches. The country is overlooked and pressure stays low.

Unit Stats

Hunting Season Temps (3-yr avg)

Sep
73°
48°
Oct
56°
35°
Nov
41°
24°
Dec
30°
14°
Jan
27°
11°
Feb
28°
10°

Recent Trophy Scores · 2020–2025

Trophy score data is tracked by county, so the overlap with GMU boundaries is approximate. These numbers tell you whether the area is capable of growing big animals — they do not indicate public vs. private land. Big elk can come from anywhere; most elk in the lower 48 trace back to Yellowstone stock that was transplanted west after the species was nearly extirpated in the early 1900s.

CountySpeciesMethodCountAvg ScoreTop Score
SweetwaterPronghornArchery67478
SweetwaterPronghornRifle88386
UintaMule DeerRifle1194194
UintaPronghornArchery17979
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Nearest Towns

CasperFull services: gas, groceries (Walmart, Albertsons, Ridley's), lodging, hospital (Wyoming Medical Center). Largest central WY city.
GlenrockSmall town; gas, groceries, lodging. 20 mi E of Casper on I-25.
ThermopolisFull services: gas, groceries, lodging, hot springs. Gateway to Owl Creek Mountains.
ShoshoniSmall town; gas, basic supplies. Junction of US-20 and US-26.
LuskSmall town; gas, groceries, lodging. Eastern staging for units 18, 108-110.
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Campgrounds

Casper Mountain CampgroundNatrona County ParksCasper Mountain; 39 sites; 8,000 ft; popular local hunting base.
Grave Springs CampgroundBLMSouth of Casper; 5 sites; convenient BLM staging area.
Boysen State ParkWY State ParksNear Shoshoni; multiple loops along Boysen Reservoir. Good base for central WY hunts.
Wind River Canyon CampgroundVariousBetween Shoshoni and Thermopolis; scenic canyon; limited sites.
Dispersed campingBLM / USFSAbundant BLM land in central Wyoming; also available on Casper Mountain and in the Bighorn foothills.
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Statewide Outfitters & Directories

These outfitters operate statewide or in multiple regions. Check each one's website to confirm they cover Unit 107.

Pinedale, WY. Bridger Wilderness. Since 1976 (48 years). Elk, deer, bear, moose, antelope. 80% return/referral clients. Guide of the Year awards.
Douglas, WY. 300,000 acres, Area 7. License #BG 063. Trophy elk, deer, antelope, bear, birds. MBNF permitted.
Western WY. Pack-in wilderness + drive-in camps. 80% bull elk success (2024). Documented results 2009-2025. Elk, deer, sheep, moose, lion.
Cody, WY. East Yellowstone highway. Absaroka Range pack-in hunts. Elk, mule deer, bear. Guest ranch + outfitting.
Jackson Hole / Teton Wilderness. Thorofare and upper Yellowstone. 30+ years. Backcountry horseback elk hunts.
Cody, WY. North Fork Shoshone, near Yellowstone East Entrance. Guided elk and mule deer.
Sunlight Basin. Horseback wilderness hunts. Small group camps. Elk and mule deer. Cody area.
Star Valley / Wyoming Range. Units 90, 92, 94. Region G/H. Elk and mule deer. Verified live.

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Outdoor & Gun Stores

Sportsman's WarehouseCasper, WYFull hunting/outdoor retailer; firearms, optics, ammo, clothing.
Murdoch's Ranch & HomeCasper, WYFarm & ranch store; ammo, hunting clothing, supplies.
WalmartCasper, WYAmmo, basic hunting supplies, camping gear, groceries.
NAPA / Ace HardwareVarious small townsBasic hunting supplies and ammo in smaller communities.
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Game Processors

R&R Custom MeatsCasper, WYWild game processing; sausage, jerky, specialty cuts; (307) 234-3736
Prairie Rose ProcessingCasper, WYCustom wild game cuts and sausage; call ahead during season.
Glenrock LockerGlenrock, WYWild game processing; small-town shop; basic cuts and wrap.
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Gas Stations

Multiple stationsCasper, WY — I-25; 24-hr fuel; full services.
MaverikGlenrock, WY — I-25; convenient for eastern Casper-area hunts.
SinclairShoshoni, WY — US-20/26 junction; fuel for central WY.
MaverikThermopolis, WY — US-20; last fuel before heading into Owl Creeks.
ConocoLusk, WY — US-18/20; eastern WY fuel stop.
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Data from sleeperunits.com. Always verify with the official Wyoming Game & Fish proclamation.

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