Mountain Knowledge
Gear & Summit Guides
Check out the full Summit Gear & Apparel guides from RMI Expeditions, or our simplified Gear Guides below.
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Get Your Gear Ready: How to Prep for a Different Kind of Summer in the Mountains
Summer is almost here, and after a winter like this one, the mountains are going to look a little different than you're used to. The 2025-2026 season was rough for snowpack across the Pacific North...

Your Straightforward Guide to 2026 National Park Pricing
The National Park Service has announced pricing updates that will begin in 2026. Since Whittaker Mountaineering sits at the doorstep of Mount Rainier National Park, we figured we would break it all...

Guide to Ice Axes and Crampons
Every mountaineer’s confidence begins with contact: what’s in your hand and what’s under your feet. Ice axes and crampons aren’t just safety devices; they’re extensions of how you move through the ...

In the mountains, a good night's sleep is a strategy. On an expedition, rest is how you recover from altitude, rebuild strength, and make smart decisions when the weather turns. A proper sleep syst...

Guide to Mountain Footwear: Choosing the Right Boots for the Mountain
Your boots are the foundation of every climb. They protect your feet, stabilize your body, and anchor you to the terrain beneath you. Whether you’re trekking to basecamp, traversing glaciers, or fr...

Layering for Mountaineers: The Complete Guide
What Is the Mountaineering Layering System? Layering is the foundation of every successful mountain climb. It’s how mountaineers adapt to environments that can swing from sun-baked moraine to sub-z...

Mount Rainier National Park in a Shutdown: What Visitors Need to Know
Mount Rainier National Park in a Shutdown: What Visitors Need to Know The federal shutdown has arrived, and Mount Rainier National Park is in a familiar, awkward mode: the landscape is open, but se...

High Ground and Hard Lessons: The Shared History of Mountaineering and the Military
From the wind-scoured ridgelines of the Apennines to the summit of Mount Everest, the worlds of mountaineering and military service have long been intertwined. Both demand endurance, risk managemen...

How Whittaker Mountaineering Embraces Circular Economy
A Fresh Take on Old Gear Picture this: you’re prepping for your big climb up Mount Rainier—comparing ice axes and reading trip reports—only to realize your battered boots are one step away from spl...


















