We are a full service fly fishing guide service and shop for Bishop and Mammoth Lakes CA

Ranked #1 guide service in the Eastern Sierra by Yelp reviewers!

      I came up to Mammoth with my buddies and I had never gone fly fishing. My friend set this up. Dave guided us to these serene, beautiful spots. Feeling the... read more

    thumb Alberto Y.

      My son-in-law and I fished two days on the Lower Owens with David.  My son-in-law was new to the sport, and I hadn't fly fished in years.  But David has... read more

    thumb Dan M.

      Friendly staff, some great flies, and lots of info on the local fishing conditions.  Very limited stock on hand because of delays from Covid-19.

    thumb Dennis L.


Our gift certificates and certificates for guided fishing trips make perfect gifts for fly fishers and can be delivered electronically for last minute purchases.

The STM Fly Shop and Guide Service is located in Bishop, CA and serving the greater Mammoth area and other regions of the Eastern Sierras in California. STM is the place where fishing information is exchanged, flies are tied and bought, rods and reels are strung up, and fishing guide trips are planned. NOTE – We have changed our shop Location to 2212 North Sierra Hwy.  Just Down a block from our old Location.

We carry a variety of fly fishing and fly tying gear from manufacturers such as Simms, Redington, Echo, Montana Fly Company, Nautilus, and more.  Feel free to stop in our shop in Bishop on your way to your favorite river, lake or creek.

We are a full fly fishing guide service offering you vast fly fishing experience and knowledge of the local area. Our fishing area ranges from Independence, Bishop to Bridgeport with the top priority of seeking the wildest and finest fish the Sierras has to offer.

Come take a drift boat guide trip down the Lower Owens with us!  Or, if you prefer, we can guide you on Crowley, Upper O, East Walker, mountain creeks and lakes, or other destinations.

Sierra Trout Magnet is excited to offer Chilean Patagonia fly fishing adventures. Come experience the trip of a lifetime fishing for huge trout with awe-inspiring scenery everywhere you look.


See our recent fly fishing  and guide reports for fisheries including Lower and Upper Owens River and Crowley Lake.