The 78-foot, 144-year-old fir tree from the Bitterroot National Forest arrived in the U.S. Capitol on Monday after its cross-country journey.
The tree will be displayed outside the Capitol building from the official lighting ceremony in early December throughout the holiday season.
"This tree helps us share a little bit of Montana with the rest of the country," said Sen. Jon Tester, D-Mont. "It is a reminder to folks all over the world of the beauty of the season."
The tree traveled about 4,200 miles and stopped in 22 small communities along the way. Celebrations were held in North Dakota, Missouri, Illinois, West Virginia and Maryland before it arrived in Washington, D.C.