5 Things About Fly Fishing I Wish I’d Known Earlier

Fly fishing has a way of humbling you. When you’re new, it feels like there’s a magic trick you haven’t learned yet—the secret fly, the perfect cast, the right piece of gear. Truth is, there are no shortcuts. The fish don’t care about your brand-new rod, and they’ve never once asked to see your Instagram handle. What they care about is the river, and if you want to consistently catch trout, you need to care about it too. Here are five things I wish someone had told me earlier in my fishing life.


1. Big Fish Are Where Big Fish Are

It sounds dumb, but hear me out. You can’t force a 22-inch brown into ankle-deep riffle water just because you want to fish dry flies. Big fish sit where food, cover, and comfort line up. That usually means deep runs, structure, and softer seams where they don’t have to burn calories. Spend more time looking at the river and less time swapping patterns, and you’ll bump into those fish more often.


2. There’s No Substitute for Time on the Water

You can cast in the park until your shoulder falls off, but the only way to really understand currents, drifts, and trout behavior is by fishing. Hours on the water beat hours on YouTube every time. Watch how your line drags in fast seams, notice how fish slide up in overcast weather, pay attention when bugs start popping. That stuff can’t be learned in your living room.


3. Fish Don’t Read Fly Shop Catalogs

We’ve all been there—$200 worth of bugs stuffed into a brand-new fly box that never sees daylight. The trout on the San Juan aren’t impressed by your shopping cart. They’re eating what the river gives them: midges, scuds, annelids, mayflies. Match that, keep it simple, and you’ll catch more fish than the guy bragging about his “secret” pattern at the ramp.


4. Presentation Beats Pattern

Nine times out of ten, the difference between catching fish and getting blanked isn’t the fly—it’s how you fish it. Drag-free drifts, downstream reach casts, soft landings—presentation is everything. You could fish a size-10 Chubby Chernobyl on the Juan and move fish if you put it in the right lane and drifted it naturally. That lesson took me longer than I’d like to admit.


5. Adapt or Go Home Empty

The river is never static. Flows change, bugs change, trout moods change. The anglers who catch fish consistently are the ones who change with it. Nymph rigs in the morning, dries in the afternoon, maybe a streamer when the light drops out. Don’t fall in love with one method—fall in love with figuring it out, every single day.


Final Word

Fly fishing is supposed to be fun. It’s supposed to challenge you, too—that’s part of the deal. But if you focus on the river, pay attention to the trout, and stay willing to adapt, you’ll shortcut a lot of those “wish I’d known” years. The rest? That’s just called experience, and you can only earn it one drift at a time.

Happy Fishing

-JG

Screenshot 2025-10-05 at 3.13.38 PM
October 5, 2025
James Garrettson

Our Trips

Experience the iconic San Juan River and Colorado's High Country.

Our Rivers

Learn more about the rivers we call home and why they're such rad fisheries.

Our Guides

We've got the fishiest and most professional team of guides on the Juan.

James Garrettson

James Garrettson

James Garrettson was quickly consumed by fly fishing after receiving a copy of the Curtis Creek Manifesto at age 10. At 14 years old James was the youngest employee at Orvis. About Trout is focused on creating positive experiences for all anglers. James wholeheartedly represents this philosophy.

More From The Mesa

How to Fish Changing Flows on a Tailwater

Unfortunately, drought continues to impact the Southwest this year. Here on the San Juan River, one major advantage we have is that we’re fishing a cold-water tailwater. Even during hot summer conditions, cold water is still being released from Navajo Dam, allowing us to maintain a high level of fishing throughout an otherwise difficult drought…
Read More

Three Dry Flies for August on the San Juan River

August is traditionally one of our favorite months to fish dry flies on the San Juan River. It’s also one of the least windy times of the year, which can make for some great evenings spent headhunting rising trout. With the strong summer sun, the best dry-fly windows are usually early in the morning, on…
Read More

San Juan River Fishing Report — August 7, 2026

As of this writing, August 7th, the Bureau of Reclamation has increased flows on the San Juan River below Navajo Dam to 850 CFS. This is still a very good wade flow, and we’re extremely fortunate to have cold water on the San Juan right now while many rivers across the West are dealing with warmer,…
Read More