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About Us

Owner and guide Chris Ryan is a born and raised Thermopolis local  who has many years experience guiding the Bighorn and other local streams. With a positive attitude and an extensive knowledge of the area you are sure to have a great outdoors experience. 

Contact Us

Feel free to either call us or email us to book your trip today.


Phone: (307)921-0950

Or check us our on social media.

Instagram: Big Horn Guide Service

Facebook: Big Horn Guide Service

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Full Day trip includes lunches, snacks, beverages,  and all terminal tackle.

Half Day includes snacks, beverages, and all terminal tackle. 

Full Day: $600

Half Day: $500


Big Horn River

The Big Horn River in Thermopolis is a tailwater that is fish-able year round. Brown, rainbow, and cutthroat trout can all be found here. The average trout size ranges from 16-18 inches with some opportunities at 20"+ fish. We have trico, bwo, baetis, and caddis hatches throughout the spring and summer along with good terrestrial hatches which offers great opportunities to dry fly anglers. Typical tailwater bugs like sow bugs, midges, mayflies, caddis and leeches often bring the most fish to the boat while nymphing. 

Fishing Reports/Information

For information on the water, the fishing or general information of the area feel free to call or text at-


Or, message us on Facebook


Frequently Asked Questions

-Polarized Sunglasses -Rain Jacket -Fishing Hat -Waders & Boots or Sandals) -Five and Six Weight Rod & Reels 

Our guided fly fishing trips are all inclusive and include all necessary flies, terminal tackle (including rods,reels, etc.), equipment, lunch, beverages, transportation to and from the river and of course expert instruction. Not included in the cost of a guide trip is your Wyoming fishing license and guide gratuities. 

Yes, absolutely! I enjoy introducing others to the sport of fly fishing. Spending a day on the water with a knowledgeable guide will dramatically reduce the learning curve associated with learning how to fly fish. 

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