St Mary's Glacier
St. Mary's Glacier: A Year-Round Alpine Escape
Hike to a year-round snowfield near Denver for stunning views and alpine adventures in the heart of the Colorado Rockies.
St. Mary's Glacier, nestled in the Arapaho National Forest near Idaho Springs, Colorado, is a popular destination for hikers and outdoor enthusiasts. Though often called a glacier, it's technically a snowfield that persists year-round, offering scenic beauty and recreational opportunities just an hour from Denver.
Opening times, essentials, and a few local tips gathered into one calmer, easier-to-scan planning section.
Driving
From Denver, take I-70 West to the Fall River Road exit (Exit 238). Follow Fall River Road for approximately 9 miles to St. Mary's Glacier. Be prepared for a winding mountain road. Parking is available in two lots near the trailhead for $20 per vehicle per day. The self-pay kiosks accept cash or check.
Public Transport
From Denver Union Station, take the Bustang West Line or Pegasus bus to Idaho Springs. Tickets cost $6-$10 and the journey takes about 1 hour. From Idaho Springs, there is no public transportation directly to St. Mary's Glacier. Consider using a taxi or rideshare service for the remaining distance, which is approximately 20-30 minutes. Expect to pay around $30-$50 for a one-way taxi or rideshare from Idaho Springs to the glacier.
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