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Gardiner Montana Fly Fishing in Summer

Summertime MT Fly Fishing Near Gardiner

Summer is the most popular time to fly fish in Montana near Gardiner, largely due to the immediate access to the Yellowstone River. With the town sitting right at the edge of Yellowstone National Park, anglers can fish both inside the park and downstream through Paradise Valley without long drives. This makes Gardiner one of the easiest places to base a summer fly fishing trip in Montana.

Early summer often starts with higher flows as runoff tapers off, but as the season moves into late June and July, the Yellowstone River fishes incredibly well. Salmonfly and golden stonefly activity marks the beginning of the summer season, followed by caddis and PMD hatches as water levels drop and clarity improves. By mid-summer, anglers can expect consistent fishing throughout the day, with mornings and evenings offering the best conditions when temperatures rise and fishing pressure increases.

Fishing inside Yellowstone National Park adds another layer to summer fly fishing near Gardiner. Smaller water, lighter pressure, and classic dry-fly fishing opportunities make the park a favorite for anglers looking for a quieter experience. Outside the park, the Yellowstone River below Gardiner provides long float sections and productive wade fishing, especially through Paradise Valley and toward Livingston.

Summer Highlights of Gardiner Fly Fishing

  • Salmonfly and golden stonefly hatches kick off the summer season on the Yellowstone River
  • Consistent dry-fly fishing with terrestrials from late June through August
  • Excellent access to Yellowstone National Park waters for classic dry-fly fishing
  • Strong float and wade fishing opportunities on the Yellowstone River below Gardiner

Bozeman Fly Fishing Guide Pro Tip

During the peak of summer, fishing early or late in the day near Gardiner can make a big difference. Morning sessions often provide cooler temperatures and less pressure, while evening caddis activity can bring steady surface action. Inside Yellowstone National Park, focus on fishing smaller dry flies with longer leaders, and take your time—many of the best summer fish come from careful presentations rather than covering a lot of water.



Explore Gardiner Montana Fly Fishing in the Summer


										Salmonflies start in late June and make for epic Yellowstone River fishing with big dry flies

Yellowstone National Park

In the summer, Yellowstone National Park offers excellent fly fishing and access to some of the best trout water in the country.

Rivers like the Yellowstone and Lamar are open, snow has melted out of most areas, and trout are spread throughout the system feeding consistently.

Flows settle as summer progresses, making it easier to fish a wide range of water inside the park.

Summer fishing in Yellowstone National Park is about covering water at a relaxed pace and paying attention to conditions. Anglers can fish main rivers and smaller tributaries, often with plenty of room to themselves depending on the location.

For those staying in Gardiner, the park is just minutes away, making it easy to spend a full day fishing inside the park or split time between the park and the Yellowstone River below town.

										Yellowstone river fishing 24

Yellowstone River

In the summer, the Yellowstone River near Gardiner fishes well as flows begin to settle and the river becomes easier to read day to day.

Trout spread out across the river, holding in riffles, seams, and deeper runs, which gives anglers plenty of water to work through on foot or from a boat. Access is straightforward both inside Yellowstone National Park and downstream below Gardiner, making it a reliable option for anglers staying in the area.

Summer fishing on the Yellowstone River offers a mix of techniques depending on conditions. Early mornings and evenings tend to fish best, especially during warmer stretches, while midday fishing can still be productive when hatches are present. With long daylight hours and consistent access, the Yellowstone River gives anglers the flexibility to plan full days on the water or shorter sessions without feeling rushed.

										Anglers fishing the lower Depuy's Spring Creek

Depuy's Spring Creek

In the summer, Depuy’s Spring Creek fishes consistently because the water stays clear and temperatures remain stable.

Trout feed throughout the day, often holding in shallow lanes and slower runs where food drifts by at a steady pace.

For anglers staying near Gardiner, it’s a good option when freestone rivers fluctuate or when a more controlled fishing environment is appealing.

Summer fishing on Depuy’s is about patience and observation. Fish can be selective, and success often comes from slowing down and focusing on presentation rather than covering a lot of water.

Morning and evening tend to be the most comfortable times to fish, but steady feeding can happen anytime conditions line up, making it a reliable stop during the warmer months.


Gardiner, Montana Summer Fly Fishing Trips

With over two decades of experience outfitting Montana fly fishing trips, summer is one of the most consistent times of year to book a guided fly fishing trip near Gardiner. Stable flows, longer days, and reliable hatches make it a great window for anglers looking to spend full days on the water.

For guests staying in Gardiner, the Yellowstone River is the primary focus throughout the summer. Fishing the Yellowstone River offers a wide range of water, from classic floats to some wade sections. Multi-day trips allow anglers to explore different stretches of the Yellowstone River without long drives, making Gardiner an ideal base for summer fly fishing.

Reservations for guided fly fishing trips near Livingston are available via e-mail, or by calling us at 1-406-468-5019. Most trips meet near the river, depending on the section being fished, and summer start times vary with weather and fishing conditions.


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