The refuge contains several small glaciers.

The park contains high peaks, large, active glaciers, and one of Canada's largest cave systems.

It contains numerous glaciers and large, swift waterways.

It is the lowest peak containing permanent snow and glaciers in Mexico.

In total, lakes and reservoirs contain 50% of the stored water, glaciers 28%, groundwater 20% and rivers 2%.

The surroundings of Atlin is vast wilderness, containing lakes, mountains, glaciers, plateaus and valleys.

The mountain has four corries, some containing small glaciers, separated by sharp granite ridges.

Higher elevations are covered by alpine meadows and the highest locations of the mountain near the summit contain small glaciers.

The surrounding mountains are steep, rugged, and contain numerous glaciers.

The tree line is around 4000 m elevation and the tallest peaks contain permanent equatorial glaciers, increasingly melting due to a changing climate.