Cascades & US peaks · climb
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Reviewed by Blake Penson, Expedition Advisor. Two decades in the mountains, the Seven Summits, two Everest expeditions.
Last reviewed 9 October 2026
Ordered by each guide's verified reviews on Mount Rainier: the star rating, adjusted so one or two reviews, or only old ones, count for less than many recent ones. Ties go to the guide with more reviews on Mount Rainier. ERTI reflects a company's trustworthiness, reputation and ratings across the industry, and more. Out of 5, built from reviews we verify and many other factors. Not a rating for this place. Prices not updated in over a year are marked. These are starting prices, not quotes.
ERTI 4.39 overall · Unclaimed
Based in United States
★ 1.4 · 1 review on Mount Rainier · Last review: Jun 2023
Price: No recent price listed
Pro guides who run trips here but have no reviews for Mount Rainier yet.
ERTI 4.93 overall
Based in United States
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.
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: 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
US Dollar (USD) is the currency. Credit cards accepted at Paradise and Sunrise visitor centers. Climbing permit required ($57 + $22 reservation). Guide services: $1,000-1,500 for 3-day summit climb. Gear rental available in Seattle/Ashford.
Official: English. Universally spoken throughout. Ranger stations provide safety briefings. The mountain is named after Rear Admiral Peter Rainier, though indigenous peoples called it "Tahoma" or "Tacoma" meaning "mother of waters".
IMG International Mountain Guides (Unclaimed)
Mount Rainier · Rated 1.4/5 · Reviewed
I was very disappointed with the unfriendly and dictatorial chief guide during my experience. When I disclosed that I had started taking Diamox, he humiliated me by criticizing its use and claiming that doctors were completely wrong. He insisted that I must reduce the dosage.…
By Verified Reviewer
Rating: the average star rating of the guide's verified reviews for Mount Rainier, with the number of reviews. Order: by those reviews: the star rating, adjusted so one or two reviews, or only old ones, count for less than many recent ones; ties go to the guide with more reviews on Mount Rainier. Unclaimed: the company has not claimed its ExpedReview profile. Every review is checked by our team before it's published, and guides cannot pay for a better rating.
Technical essentials picked for glaciated mountaineering. Recommended by our expert team.
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The ERTI badge beside each name is a company-wide score out of 5, built from reviews we verify and many other factors. It is not a rating for this route.
Last updated 14 June 2023 (newest review or price update for this route).
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As of 20 October 2026, 1 operator has 1 verified client review for Mount Rainier on ExpedReview.
IMG International Mountain Guides (1.4★ from 1 review, latest June 2023).
Every review is checked by hand by our team before it's published. Critical reviews stay up, and paying ExpedReview never changes the ranking.