Snowmass Lake Altitude Sickness Rescue (1)

Teen Airlifted from Snowmass Lake in Altitude Sickness Helicopter Rescue

PITKIN COUNTY, CO — On the morning of June 25, 2025, at approximately 6:50 a.m., Pitkin County Regional Emergency Dispatch received an urgent SOS from Snowmass Lake, situated at 10,800 feet elevation in the Maroon Bells–Snowmass Wilderness. A seventeen‑year‑old hiker exhibiting signs of advanced altitude illness—shortness of breath, vomiting, and foaming at the mouth—was in urgent need of rescue.

Mountain Rescue Aspen, equipped with communication via Garmin inReach, confirmed the youth’s asthma condition and evolving symptoms. Recognizing the severity, MRA quickly escalated the situation through the Colorado Search and Rescue Association (CSAR).

Simultaneously, a Colorado Army National Guard Blackhawk helicopter from HAATS in Gypsum, already operating at Aspen’s Sardy Field on a Capitol Peak mission, was redirected. Upon reaching Snowmass Lake, a specialized MRA hoist-rescue technician performed a field medical evaluation, then secured the teenager via hoist into the Blackhawk.

From there, the patient was airlifted back to Sardy Field, where Aspen Ambulance personnel transferred them to Aspen Valley Health – Hospital and Medical Center for further treatment. The operation concluded with all rescue personnel out of the wilderness by 11 a.m., marking a successful multi-agency life-saving effort.

Preview of the Complete Colorado 14ers Planner spreadsheet showing all 58 peaks with route details, difficulty, mileage, and prep information

Free: Complete Colorado 14ers Planner

Every peak. Every trailhead. Every detail: in one spreadsheet.

  • All 58 peaks ranked beginner to expert
  • Safety notes and seasonal windows for each
  • Route difficulty, mileage, and prep tips
Get the Free Planner

Snowmass Lake is an ambitious 8.5-mile hike commonly attempted by experienced outdoor enthusiasts. This rescue underscores how even fit, youthful hikers can rapidly deteriorate at high altitudes. The seamless coordination—911 dispatch, satellite communication, ground SAR, helicopter, and medical transport—reveals advanced preparedness and interagency cooperation.

According to the Wilderness Medical Society, altitude sickness can escalate swiftly above 9,000 feet, especially when hikers ascend faster than their bodies can acclimate. Recognizing symptoms—headache, nausea, vomiting, shortness of breath—is vital.

Lessons Learned & Safety Tips

  • Pre-acclimatize: Spend a day or two at intermediate elevations (8,000–10,000 ft) before pushing higher.

  • Travel slow & hydrate: Ascend gradually, monitor exertion and hydration.

  • Know the signs: Vomiting, breathing issues, persistent headaches, or confusion can signal serious altitude illness.

  • Communication matters: Devices like Garmin inReach allow two-way messaging where cell service fails.

  • Emergency readiness: Carry whistle, signal mirror, sunscreen, layers, and first aid. A CPW guide to altitude sickness offers more prevention tips.

 

Support SAR Backcountry Teams

This mission highlights the importance of well-funded, well-equipped rescue teams. You can help sustain their life-saving efforts:

  • Support Colorado Search & Rescue teams by purchasing a COSAR card:
    Buy one here.

  • Protect public lands and fund SAR by getting a Keep Colorado Wild Pass for your vehicle:
    Learn more here.

Kudos to Mountain Rescue Aspen, the Colorado Army National Guard (HAATS), Colorado Search and Rescue Association, and Aspen Ambulance for their decisive, swift response. Their actions ensured a positive outcome from a potentially tragic high-altitude emergency. 

Alex Derr, Founder of The Next Summit

Alex Derr is an Eagle Scout, climber, and environmental policy expert located in Denver, Colorado. He created The Next Summit to help others stay safe exploring the mountains and advocate to preserve the peaks for the future. Follow him on Linkedin or Twitter or click here to contact him.

Enjoy this Article? Subscribe to our Newsletter!

Join 4,000+ other subscribers and receive mountain news updates, route guides, gear reviews, and other articles in our twice-monthly email newsletter.

Leave a Reply

Welcome to The Next Summit!

Our mission is to protect public lands and peaks through PSAR & LNT outdoor education, policy advocacy, and collaboration with a network of community partners. Click here to learn more and support our ongoing campaigns. Thanks for visiting!

Hiker on the Four Pass Loop trail looking toward Pyramid Peak in Colorado's Elk Mountains

Never Hit the Trail Unprepared

Free weekly tips on routes, safety, and mountain news from The Next Summit.

No spam, unsubscribe anytime. Privacy policy

Hiker on the Mount Belford trail in Colorado's Sawatch Range with alpine wildflowers and mountain panorama

Summit Skills Academy

Ready to Build Real Mountain Skills?

Learn at your own pace with free and premium courses built for hikers and climbers at every level.

Climb Your First 14er Backcountry Navigation 101
Explore the Academy →

Smart Turnaround Decisions Save Lives

Free live webinar — Sept 30, 7:00 PM

  • Identify critical decision points on any climb
  • Set clear turnaround criteria before you leave the TH
  • Spot red flags: late starts, fatigue, deteriorating weather

🪨 Avoid Rockfall Injuries on 14ers – Free Webinar Aug 27

Snowmass Lake Altitude Sickness Rescue

Climb all of the Colorado 14ers with my Complete Planner

Become a subscriber to get the guide with all 58 peaks in the ideal order for climbing + tips, resources, and other critical details for each peak and route.

Snowmass Lake Altitude Sickness Rescue

Download the Complete Colorado 14ers Planner for Free!

Become a subscriber to get the guide with all 58 peaks in the ideal order for climbing + tips, resources, and other critical details for each peak and route.