City of Glasgow. Sixth Street North. The Glasgow area is rolling plains and open farmland. Established in the late 1800s as a railroad town, Glasgow grew in stature when the Fort Peck Dam was built a few miles south in 1933. One of the world's oldest and largest hydraulic earth-fill dams, Fort Peck Dam stretches over four miles across the Missouri River. The In-Fisherman Professional Walleye Trail fishing tournament has been a frequent visitor to this area. City of Glasgow to Montana/North Dakota State Line Welcome to Montana! From the wondrous geological features of Yellowstone to the majesty of Glacier, Montana\'s National Parks inspire and astound. The famous Lewis and Clark Expedition crossed Montana in 1805 and then again in 1806. Montana offers Rafting, hiking, hot springing, fly fishing, horseback riding, rock climbing, mountain biking, skiing hunting and more.