From Beaver Meadows entrance: After going through booths take the first left onto Bear Lake road.
From Fall River and West entrances: Follow Trail Ridge Road east all the way to Bear Lake road and turn right.
Follow Bear Lake Road roughly 8 miles to Glacier Gorge TH (on left). You will pass Moraine Park, Hollowell Park and Bierstadt Lake TH.
The parking area does fill even in the winter. If it is full you can continue 0.7 miles further on the road to the Bear Lake TH. You can hike the road back down or you can hop on the trail to Dream Lake where shortly you will take a left on to a 0.4 mile trail connecting Bear Lake and Glacier Gorge. There are restroom facilities located at TH. In the summer the park offers a shuttle service.