Just inside the park entrance at West Glacier [1], Apgar Village greets visitors with an information center, gift shop, motels, a campground, cafés, and lovely Lake McDonald [2].
The National Park Service purchased much of the town in 1930, but part of it is still privately owned.
Links:
[1] http://www.moon.com/destinations/montana/glacier-national-park/west-glacier-and-the-flathead-river-middle-fork
[2] http://www.moon.com/destinations/montana/glacier-national-park/lake-mcdonald-valley/sights/lake-mcdonald