Reply To: Madison River, Montana Home › Forums › Simpsons’ Fly Fishing Forum › Madison River, Montana › Reply To: Madison River, Montana July 13, 2015 at 4:42 pm #2662 al simpsonKeymaster returned to the channels today, around 8 am. the tricos started shortly afterwards, and the fish were looking up for about two hours. landed lots of 10-12 inch rainbows, and a few in the teens. after the hatch stopped, fished buggers underneath, and landed a 25″ brown, probably the largest trout i’ve caught on the Madison. he was fat, and wouldn’t fit into my net, so no picture!