The East fishes more like a spring creek than a freestone stream in the winter months. The numerous spring creeks and springs that feed the river in the lower valley keep ice shelves at bay and this is a decent winter fishery for locals. Definitely focus on the bigger and deeper runs that will be holding all of the fish. Nymphing is usually the best option but slow stripping a streamer can sometimes produce as well.
The East Gallatin River is known this time of year for providing some good Do-It-Yourself walk and wade fishing. The hard part about the East Gallatin is getting legal access. There are several place to access the river, but sometimes parking is tough to find. If you do fish the East Gallatin be sure to know Montana's Stream Access Law.
The East Gallatin River is also home to some great undercut banks so if you are looking to fish streamers and target some of the river's larger trout, now is a good time work on your double-haul and fire a streamer into a dark and deep spot in hopes of finding a predacious brown trout.
Considering a fly fishing trip to the Bozeman, Montana area? Read one of more recent blog posts: Five of the Best Rivers to Fish Near Bozeman, Montana.
Flies for the East Gallatin River Right Now
Zebra Midge in black or red in sizes 18-22
Beadhead Pheasant Tails in size 14-22
Beadhead Little Green Machines in size 14-22
Beadhead Lightening Bugs in size 14-22
Beadhead King Princes in size 16-22
Sculpzilla in black, olilve, or white in sizes 6-10
Sparkle Minnow in gold/olive in size 6 and 8
Beadhead worms in size 10