About St Marys Glacier Hike
St Marys Glacier trail hike is a 1.6 mile out and back trail. This trail begins at 10,428 feet in elevation with a short gain to 10,848 feet at the base of the glacier On average the hike is approximately 1 hour and 45 minutes round-trip.
What “Easy” Means
Gentle terrain, well-marked. Suitable for all ages and fitness levels.
Difficulty is derived from OpenStreetMap’s Swiss Alpine Club (SAC) hiking scale, trail visibility, surface, distance, and elevation gain. Always verify current conditions before heading out.
What to Pack & Wear
Personalised to this trail’s length, elevation, difficulty, and the live forecast.
👔 What to Wear
- 👕
Moisture-wicking T-shirt
Light color, breathable.
- 🩳
Lightweight shorts or pants
Quick-dry preferred — sweat dries fast.
- 🧢
Brimmed sun hat
Better than a cap for back-of-neck protection.
- 🥾
Trail runners
Breathable mesh uppers.
🎒 What to Pack
- 💧
Water
Bring at least 1L of water; more in heat.
- 🍫
High-energy snacks
A snack for the trail.
- 🧴
Sun protection
Sunscreen, sunglasses, brimmed hat.
- 🩹
First-aid kit
Blister patches, ibuprofen, tape, antiseptic wipes.
- 🗺
Offline map
Download your route in advance via Gaia, Caltopo, or OSM-based apps.
Recommendations adapt to the current forecast + trail stats. Use them as a starting point — local conditions, your experience, and the time of day you start all matter.
Trail Safety in Colorado
Trail conditions in Colorado change with weather, season, and fire activity. Closures, washouts, and rerouting are common. Before heading out:
- Check with the land manager for current conditions and closures
- Tell someone your plan and expected return time
- Know your turn-around limits — conditions can change fast
- Carry the 10 essentials: water, food, navigation, first aid, light, fire, shelter, knife, sun protection, extra clothes
Frequently Asked Questions
How hard is St Marys Glacier Hike?
St Marys Glacier Hike is rated Easy. Suitable for most hikers including families.
Can I ride a bike on St Marys Glacier Hike?
No — this trail is closed to bicycles.
Are horses allowed on St Marys Glacier Hike?
No — this trail is closed to horses.
What is the trail surface on St Marys Glacier Hike?
The surface is rocky. Plan footwear accordingly.
When is the best time to hike St Marys Glacier Hike?
Colorado has trail conditions that vary by season. Spring and fall usually offer the best mix of temperature and trail conditions. Check the 5-day forecast above for current outlook. Always verify trail status (closures, washouts, fire restrictions) with the local land manager before going.
References & Maps