NOLS Blog

Knee Injury While Cross-Country Skiing 

The Setting You are cross-country skiing with four of your friends on a beautiful December day. The sun is shining, the temperature is a balmy 25℉, and you’re enjoying feeling the wind against your cheeks as you ski. You are roughly 3 miles into your 6-mile loop. Your moment of enjoyment is broken when, out…

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Epistaxis on a Llama Packing Trip
Photo by Nick Springer The Setting It’s day two of a guided family llama packing trip deep in ...
Dr. Stuart Harris, fifth from left, poses with other members of parabolic flight crew, testing weightlessness and medicine in space.
Medicine in Orbit
Space, some say, is the final frontier. For N. Stuart Harris, M.D., M.F.A., Massachusetts General Hospital Emergency Department ...
6 Reasons Why You Should Take A WEMT Course (And Tips for How to Prepare)
Here are the top six reasons why one NOLS Wilderness Medicine grad recommends taking a Wilderness EMT course.
Paul Petzoldt, second from left, and members of the 10th Mountain Division
Paul Petzold, the U.S. Army, and NOLS
Paul Petzoldt was 36 years old in 1943 when he joined the U.S. Army’s prestigious 10th Mountain Division, an elite group of soldiers who were trained for alpine warfare. Already decades into his career, the future founder of NOLS had worked a slew of jobs, including farmer, waiter, and used car salesman. He was best…
Three young women sitting on rocks, eating.
How to Make Hash Browns with Cheese
Hash browns have a well-deserved reputation as a delicious breakfast treat, but this cheesy version is great for lunch or dinner too—and that’s before you add nuggets of ham or bacon and a few shakes of hot sauce into the mix! This recipe requires a little forethought—both the hash browns and dried onions benefit from…
Young woman showing plate with bread and picante sauce on it.
NOLS Picante Sauce
Picante perks up almost any savory recipe—try it on eggs, beans, in soups and coupled with anything on a tortilla. This, our favorite picante recipe, can be made with a little tomato base and a well-stocked spice kit, but don’t shy away from adding your own favorites! NOLS Picante Sauce (makes about 1 cup) 1…
River running between mountains, group of four on right and large cairn on right.
Backpacking Among Giants: A Trip Report from Norway’s Jotunheimen Mountains
In August of 2025, the inaugural NOLS Alumni Norway Backpacking Trip ventured into the Jotunheimen Mountains for ten days of challenging hiking amongst stunning scenery. Our group first met in Oslo before traveling about five hours by bus to the Jotunheimen region in western Norway. The bus conveniently dropped us off at our first hut of the trip and…
Scenic shot of Ananpurna with prayer flags in foreground lower left
Case Study: Altitude Illness While Trekking
The Setting You are on the trip of a lifetime hiking the Annapurna Circuit in Nepal with one of your best friends. This trip has been in the works for over a year. You’ve spent countless hours training, reviewing maps, and daydreaming about being in the mountains. You can’t believe you’re finally here!  You flew…
Case Study: Finding a Sick Person High in the Mountains
You find a hiker who you think might be suffering from altitude illness - after introducing yourselves, and with the patient's permission, you and the SAR team members begin an assessment. Test your knowledge with this case study
How Climate Change Might Impact Your Next Backpacking Trip
The world is already starting to feel the effects of climate change. Here's some examples of how your next outdoor trip might be affected and how to plan for it.
Quiz: Managing Altitude Illness
Take this wilderness medicine quiz to find out what you really know about the symptoms and treatment for altitude illness.
NOLS
Tolerance for Uncertainty: Sea, Mountains, and Culture on a Patagonia Semester
Chilean NOLS grad Ignacio Martínez shares stories and advice from his Semester in Patagonia.
NOLS and the Wilderness Risk Management Conference: 25 Years of Facing Challenges Together
For the last 25 years NOLS has worked with partners across the outdoor industry to improve risk management awareness, standards, and practices.
7 Fishing First Aid Hazards (and What to Do)
Read our tested strategies for handling the first aid hazards you’re most likely to see when you go fishing in lakes, rivers, streams, or the ocean.
The Top 3 Leadership Lessons You Won’t Learn in an Office or Classroom
NOLS instructor Liz Townsend believes the most important leadership lessons are learned outdoors—not in the business world (although they do apply there!)
Pay It Forward: How My NOLS Semester Helped Me Lead My Own Backcountry Trips
Carolyn Highland reflects on one of her favorite days ever—ascending an unnamed peak with a student-only team on her NOLS semester—and its lasting impact.
Ashley Wise
Case Study: A Hot Day Becomes a First Aid Situation
Test your wilderness medicine skills to see how you would respond to this first-aid scenario.
Snow in May: Leadership in the Face of Uncertainty
Sarah Delany reflects on the most impactful—and toughest—day of the customized NOLS course she took with fellow Bates College students in the Adirondacks.
Quiz: Treating Heat Illness and Dehydration
How much do you really know about heat illness and dehydration? Test your skills with this first aid quiz from NOLS Wilderness Medicine.
Learning a Non-Linear Leadership Style from Sea Kayaking
Breaking the norms of leadership styles helped this NOLS grad grow on an all-women's sea kayaking leadership course in Baja California, Mexico.