Blue Stream Fly Fishing
Fly Fishing Report for:

Big Hole River - Maiden Rock - Montana

Hatch Chart - Best Access/Spots - Local Fish - About

Water Flow Chart

Using Water Flow Charts & Weather Reports: Begin with our water flow charts to grasp stream velocity and volume – look for stable or rising trends to pinpoint ideal fishing times. Learn to interpret sudden spikes or drops, which can indicate potential challenges. Next, consult our weather reports to understand ambient conditions. Pairing the two, you can anticipate fish behavior, choose the right gear, and select the best fishing spots. Use these tools together for a holistic approach to your next fishing adventure.

In-Depth Weather

Directions To Location

Hatch Chart

Month Hatch Time of Day Recommended Fly Sizes Popular Fly Patterns
January No Hatch N/A N/A N/A
February No Hatch N/A N/A N/A
March Midges Afternoon 18-24 Griffith's Gnat
April Midday Baetis Afternoon 18-20 Parachute Adams
Squallas Afternoon 8-12 Pat's Rubber Leg
May Caddis Evening 12-16 X-Caddis
Stoneflies Morning 6-10 Sofa Pillow
PMDs Afternoon 14-18 Yellow Humpy
June Stoneflies Morning 6-10 Sofa Pillow
PMDs Afternoon 14-18 Yellow Humpy
Caddis Evening 12-16 X-Caddis
July Hopper Afternoon 8-12 Parachute Hopper
August Hopper Afternoon 8-12 Tan Hopper
September None N/A N/A N/A
October BWOs Afternoon 16-20 Blue Wing Olive
November No Hatch N/A N/A N/A
December No Hatch N/A N/A N/A

While we strive to ensure the precision of our hatch charts, some reflect broader river region insights. Through ongoing partnerships with local guides and fly shops, we’re committed to refining our data. Should you notice any inconsistencies or have feedback, we welcome you to reach out. 

Best Fishing Spots

The Big Hole River – Maiden Rock in Montana is an idyllic destination for fly-fishing enthusiasts. Here are some of the top spots:

  • Wisdom Bridge: Known for its vast pools and runs, it provides excellent opportunities for hooking brown and rainbow trout.
  • Jerry Creek: A wade-friendly location filled with mid-sized fish Perfect for beginners.
  • Fishtrap: Specially fruitful during the spring Skwala hatch, making it a hotspot for large brown trout.
  • Grant: This area located downstream offers prime spots for both wading and floating fishing experiences.
  • Divide Bridge: Known for its fish diversity, it’s ideal for those looking for a multi-species catch.

Remember, the Big Hole River is catch-and-release for brook trout and cutthroats, maintaining a sustainable fishery and unforgettable fly-fishing adventures.

Best Access Points

The Big Hole River – Maiden Rock, situated in Montana, provides exceptional fly fishing opportunities. Here are some of the top access points to fly fish in Maiden Rock:

  • Divide Access: This point is easily accessible from the highway and offers excellent stretch for fishing amidst deep pools and riffles.
  • Jerry Creek Access: An ideal spot for novice anglers, Jerry Creek is teeming with brown trout.
  • Maiden Rock FAS: Located on the lower section of Big Hole River, it features a boat ramp and vast stretch of river.
  • Melrose Bridge: Offers free access to the river with abundant Rainbow Trout.
  • Pumphouse Fishing Access Site: Known for its versatility, this access point is a convenient launching place for a float or wade trip.

Please note the seasonal restrictions and catch-and-release rules apply to protect the Big Hole River’s famous brown and rainbow trout.

Local Fish

  • Arctic Grayling: This fish is unique to the Big Hole River and attracts countless fly fishermen. Fun to catch, and displays stunning colors.
  • Burbot: Though not a popular target for fly fishing, they still offer a unique fishing experience.
  • Mountain Whitefish: These are indigenous to the Big Hole River and offer a great deal of catch-and-release fun for fly fishermen due to their abundant numbers.
  • Rainbow Trout: One of the prized catches on the Big Hole River, their aggressive nature makes them a favorite for many fly fishermen.
  • Brown Trout: Though not as abundant as the rainbow trout, the size and strength of the brown trout make them a sought-after fish by fly fishermen.
  • Brook Trout: The Big Hole River boasts quite a population of these fish species. Ideal for beginners due to their relatively small size and abundance.
  • Cutthroat Trout: These fish are more elusive, and landing one is considered a badge of honor among fly fishers.
  • Rock Bass: Predominantly found in the Big Hole River, rock bass can give a good fight, providing much entertainment for anglers.

About The River

If you’re an angler or a lover of the great outdoors, then you’ve probably heard about the Big Hole River – Maiden Rock. Situated in the heart of Montana, USA, it presents an inviting retreat for fishing enthusiasts and environmental aficionados who revel in its majestic views.

  • Its history dates back to the prehistoric times, a testament to its enduring charm.
  • Originally, the region was inhabited by the Salish Indians before the expedition of Lewis and Clark in 1805.
  • The area became widely recognized during the 1860s Gold Rush.

In terms of fishing, the ‘crown jewel’ as it’s often referred to, owes its fame to the healthy population of trout. So, if you’ve got a penchant for fly fishing and getting close to nature, this destination might just be the perfect fit for you. The history and enduring appeal of the Big Hole River – Maiden Rock is a testament to the beauty of nature and our continued connection with it.


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