Blazing Trails to High Places. Big Mountain Botanicals is a locally owned cannabis dispensary near Glacier Park International Airport in Columbia Falls, Montana, conveniently located at 36 Jellison Lane, Unit C. Serving the Flathead Valley, we offer premium, locally grown cannabis, including flower, pre-rolls, vapes, concentrates, edibles, and CBD, with favorites like Sour Diesel, Hash Burger, Durban Poison, and Blue Dream.