Rainier — Expedition Guides & Reviews

Find trusted expedition guides for Rainier, United States. Read verified reviews, compare companies, and book with confidence.

Quick Facts: Rainier

Region: North America, United States

Expedition Guide Companies for Rainier

Climbing History

First documented ascent by Hazard Stevens and P.B. Van Trump on August 17, 1870. At 4,392m, the most heavily glaciated peak in the contiguous United States. Serves as a training ground for Denali and Himalayan expeditions. Over 10,000 climbing attempts annually with 50% success rate.

Notable Routes

Disappointment Cleaver (2-3 days): Most popular route, 90% of summit attempts. Emmons Glacier (2-3 days): Longest glacier route in lower 48 states. Liberty Ridge (2-3 days): Technical ridge climb, one of 50 classic North American climbs. Kautz Glacier: Alternative glacier route from Paradise side.

Weather Information

Weather: During the climbing season, average daily temperatures range from 8 ºC to 12 ºC (46 ºF to 54 ºF) at the base of Mount Rainier. These steadily decrease until they dip below freezing at the summit. The summer is the driest time of year on Mount Rainier, but rain does fall occasionally., Best Time to Visit: June to September, Average Expedition Length 4 to 6 days

Frequently Asked Questions about Rainier

Which guide companies operate on Rainier?

There are 1 verified guide companies for Rainier on ExpedReview, including Mountain Madness.

How much does it cost to climb Rainier?

Guided expedition prices for Rainier range from $2,100 – $-∞ USD depending on the operator, route, and service level.

What is the best time to climb Rainier?

Weather: During the climbing season, average daily temperatures range from 8 ºC to 12 ºC (46 ºF to 54 ºF) at the base of Mount Rainier. These steadily decrease until they dip below freezing at the sum

How do I choose a guide for Rainier?

Compare guide companies on ExpedReview using our ERTI Trust Index, verified reviews, pricing, and certifications. Look for guides with high trust scores and recent positive reviews.