We started our Glacier adventure on the East side of the Park - intending to drive to the West side via the brilliantly engineered Going to the Sun Road. However, even though it was late June, the road was not fully open during our visit and thus we drove and far up on the East side as we could, and as far up on the West side as we could. It's safe to note that each side of the Park are very different. St. Mary's is the best starting point and base for your East side visit. The Park Cafe is excellent as the pie might be the best I've ever had. Also check out Full Quiver Espresso stand for coffee in the morning - fresh and friendly. We camped at Rising Sun and found it to be a great spot to camp. The East side is much quieter and we enjoyed that. On the East side is the famous pull off from the Going to the Sun Road to photograph Wild Goose Island on Saint Mary Lake.
Spend time to stop at the Sunrift Gorge, a dark crack in the earth where water gushes downstream at a rapid rate. Running Eagle falls in the Two Medicine section of the park is a must see. It's harder to tell why they used to call this "Trick Falls" but if you look closely you can see water coming over the rock and through the bottom.
The Going to the Sun Road is one of the most amazing sights and experiences I've ever had in a national park. It's dramatic views, curvey roads, and steep drops make this one for only the healthy and well hearted. If you dare go up the Going to the Sun Road, be careful and just enjoy it. It will take your breath away.
Glacier is one of those must do parks for anyone who enjoys our National Parks or anyone seeking some outdoor adventure. It's a big park, so take your time and enjoy the fresh air.