A teahouse was constructed near the cave mouth and a road was built from the Illecillewaet River valley.
During the heyday of Glacier House in the early 1900s, Deutchmann constructed a series of wooden stairs and boardwalks and the caves were visited heavily by tourists.
[3] Parks removed the remnants of Deutchmann's construction, and closed the caves completely to all but experienced cavers with permits.
[1] The caves consist of marbloid rocks from the Cambrian period, many of which exhibit scalloping patterns.
[4] The cave contains cauliflower-shaped agglomerations of a substance called moonmilk; this is a precipitate of calcium carbonate and bacteria.