Nick Fisher / OPBOregon Field GuideAll Aboard The World's Largest Miniature RailroadBy Ian McCluskey (OPB)Chiloquin, Oregon Sept. 15, 2017 11:33 p.m.Train Mountain is the world’s largest miniature railroad, with 36 miles of tiny track, weaving through 2,300 acres of forest in remote southern Oregon.Tags: Oregon Field Guide, Communities, Nw Life, Trains