Glacier National Park's Sun Road advanced reservations easier to get than one might think

The earlier morning hour slot — from 7 a.m. to 9 a.m.— as one might expect, are going much faster. But in early July, it doesn’t get dark until well after 10 p.m. in Glacier, so even starting out at 1 p.m. gives a party plenty of daylight to enjoy the park.