People.com Entertainment Movies WATCH: Zac Efron and His Younger Brother Dylan Climb to the Top of the Continental Divide Zac and his younger brother Dylan hit the road for an epic adventure By Melody Chiu Melody Chiu Instagram Twitter Melody Chiu is a Senior Editor for PEOPLE. She has been with the brand since 2009, editing, writing and reporting across all entertainment verticals. She oversees PEOPLE's music and events coverage and has written cover stories on Taylor Swift, Selena Gomez, Melissa McCarthy, Blake Shelton and Sandra Oh. The Los Angeles native graduated from the University of Southern California and has appeared on Extra!, The Talk, Access Hollywood and Good Morning America. People Editorial Guidelines Published on October 9, 2017 10:00 AM Share Tweet Pin Email The Efrons are back from an epic adventure. In a new video in partnership with Columbia Sportswear, Zac Efron and his younger brother Dylan share memories from their latest trip to Glacier National Park in Montana as the brand’s newest gear testers. Courtesy Columbia Sportswear Hitting the road in a van packed to the brim, the Efron brothers reminisce on their childhood. “I grew up in a small town surrounded by wilderness, so for me the clearest way to reconnect with myself to find myself is through the wilderness,” says Zac. “We both get kinda cooped up in our lives.” Courtesy Columbia Sportswear Courtesy Columbia Sportswear Zac, 29, and Dylan, 25, kick off their trip by visiting Lake McDonald and jumping into the water (and yes, Zac shows off his infamously rock-hard abs). “It was mind blowing,” says the star. RELATED VIDEO: Zac Efron Talks ‘Baywatch’ at Miami Premiere: ‘We’ve Taken It & Upgraded It’ Moving onto bigger adventures, the brothers make it their goal to hike all the way up to the top of the Continental Divide. “Literally, we climbed up the mountain,” says Zac, who hiked with Dylan from 5:30 a.m. until 10 p.m. “We were the last ones out there. That’s the cool thing about traveling. Every journey … you might find something incredibly special out there. This was hard!”