The Winter Highline Trail in Utah is a demanding 104-mile thru-hike that averages over 10,000 feet in elevation and tests your planning, fitness, and resilience. After one failed attempt and one successful completion, I share the five most important lessons I learned—from choosing the right start direction and managing altitude to handling unpredictable mountain storms, steep passes, and long food carries. If you’re considering hiking the Winter Highline Trail, this guide highlights the key preparation, gear, and safety strategies that can make or break your trip—be sure to watch the full video for the complete breakdown.