Trail travel in June may be slow until muddy sections dry out and crews repair washouts. Rock fall on the summit block makes a hard hat advisable. Olympus is a major glacial mountain and can be climbed safely only by persons experienced in correct climbing techniques. Falling into a hidden crevasse is the major hazard and practice in crevasse rescue technique is essential. At times when the snow surface turns very icy, long falls on glaciers are an additional danger.
Foul weather can also trap a party on exposed parts of the mountain.
For safety, inexperienced people are referred to local guides, climbing schools and climbing books. The last eight miles gains 3000' in elevation. From Glacier Meadows, follow the way trail on the east lateral moraine of the Blue Glacier. Cross to the west side of the glacier and begin to ascend Snow Dome from 550' to its crest at 6600'. Approximately three hours are needed to reach Snow Dome from Glacier Meadows.