treeline What is treeline? And why is it important for hiking? What is treeline? We explain what this common hiking term refers to, where treeline is, and what it means for you as a hiker Advnture NewsletterAll the latest inspiration, tips and guides to help you plan your next Advnture!Contact me with news and offers from other Future brandsReceive email from us on behalf of our trusted partners or sponsors MOST READ1Fjällräven Kajka 55 backpack review: a timeless trekking backpack with a sustainable design2Powerful Garmin Forerunner 945 is even cheaper now than during Amazon's spring sale3Top tips for driving safely in wildlife country4How to plan an active spring vacation: from the shores to the slopes5Watch man lunge his way across New York City to break world record