Access & Logistics

Current Conditions

Flow Rate Flow Rate
Wading:300–1500 cfs
Floating:500–2500 cfs
Current flow affects each method differently—see condition ratings.
894 cfs
Trend Trend
🔴Dropping Fast - ≤ -30%
🟠Dropping - -10% to -30%
🔘Stable - -10% to +10%
🔵Rising - +10% to +30%
🔴Rising Fast - > +30%
-6%

Flow data from USGS, USBR .

Hatch Guide for Madison River - Ennis

Gear Recommendations

ROD 5-6wt
LEADER 9ft , 3X-4X taper
TIPPET 3X-5X
INDICATOR Thingamabobber or foam
RIG Streamer rig
Fish: 14-18 inches avg, trophy to 24+

⚠️ REGULATIONS

  • Catch & release required
  • Artificial flies & lures only
  • Barbless hooks required
  • No bait allowed

Madison River Ennis section (Hebgen Dam to Ennis Bridge): Catch and release for all trout. Artificial lures and flies only. Single barbless hooks required. No bait. Extended season applies. Subject to hoot-owl restrictions during summer heat events.

View official Montana regulations →

*Verify current regulations before fishing. Rules may change.

Map Madison River - Ennis

Nearby Rivers to Fly Fishing Madison River – Ennis

Fish Species

Fly Fishing Madison River - Ennis

The Madison River near Ennis represents one of Montana's most celebrated freestone sections, flowing through the heart of the Madison Valley with exceptional trout populations and world-class dry fly fishing. This section from Varney Bridge to Ennis Bridge is famous for its large, selective trout, technical fishing challenges, and the strict catch-and-release regulations that protect this premier fishery. The combination of excellent water quality, abundant insect life, and challenging fishing makes this one of the most sought-after destinations for serious fly anglers.

The Ennis section flows through open ranchland and agricultural areas, creating a mix of fast riffles, deep runs, and classic freestone pools. The river bottom consists of cobble and gravel, providing excellent habitat for both trout and aquatic insects. The gradient is moderate, creating diverse water types that hold fish throughout the section. The banks are lined with willows and cottonwoods, providing essential cover and shade. The water clarity is typically excellent, requiring careful presentation and stealthy approaches to avoid spooking fish.

This section supports exceptional populations of wild brown trout and rainbow trout, with fish typically ranging from 14 to 18 inches. The brown trout are particularly large and selective, often requiring precise presentations and matching the hatch. Rainbow trout are also well-represented and known for their acrobatic fights. Trophy fish exceeding 20 inches are common, with fish over 24 inches possible. The catch-and-release regulations and barbless hook requirements help maintain this exceptional fishery. Mountain whitefish are also abundant and provide consistent action.

Hatch activity is exceptional throughout the season, with a variety of mayflies, caddis, and stoneflies providing consistent dry fly opportunities. The section is famous for its Trico hatches in late summer, when small mayflies (#18-22) create challenging but rewarding fishing. Blue-winged Olives emerge in spring and fall, PMDs appear in mid-summer, and various caddis species provide excellent evening fishing. Terrestrial patterns are extremely effective from mid-summer through early fall, with hoppers, ants, and beetles producing explosive takes when fished tight to the banks. Nymphing remains productive year-round, with small mayfly and caddis nymphs being particularly effective.

Optimal wading flows for the Ennis section range from 300 to 1000 CFS, with flows above 1500 CFS becoming challenging for safe wading. The river is floatable in drift boats and rafts, though wading provides the most intimate fishing experience. Access is excellent along US-287 and local roads, with numerous public access points, fishing access sites, and pullouts throughout the section. The town of Ennis provides excellent services, including fly shops, guides, and accommodations. The nearest major commercial airport is Bozeman Yellowstone International (BZN), approximately 75 minutes away.

The Madison River near Ennis is a world-class fly fishing destination that demands technical skill and careful presentation. Its combination of large, selective trout, strict catch-and-release regulations, and exceptional insect life makes it one of the premier freestone fisheries in Montana. Anglers who master the technical challenges are rewarded with some of the finest dry fly fishing in the American West.