Thrill List

The Ultimate Guide to Aspen Summer Adventures

More than 50 ways to explore outside on two feet, two wheels, and whatever floats your boat.

06/24/2025 By Cindy Hirschfeld With Kelly Bastone, James Dziezynski, Manasseh Franklin, Todd Hartley, and Catherine Lutz

Explore Aspen's 13ers

Explore Five of Aspen’s Adventurous 13ers

Get off the beaten path by hiking and scrambling up these rewarding 13,000-foot peaks.

07/05/2021 By James Dziezynski

Explore Aspen's 13ers

Hike a 13er: Williams Mountain South C

The ponderous name belies an accessible peak.

07/05/2021 By James Dziezynski

Explore Aspen's 13ers

Hike a 13er: Tabor Peak

A dramatic knife-edge walk and a blazing blue high-alpine tarn

07/05/2021 By James Dziezynski

Explore Aspen's 13ers

Hike a 13er: Petroleum Peak

Bag a summit far more scenic than the oily moniker implies.

07/05/2021 By James Dziezynski

Explore Aspen's 13ers

Hike a 13er: UN 13,001 "Lost Man Lake Peak"

Test your scrambling skills on Colorado's lowest ranked 13er.

07/05/2021 By James Dziezynski

Explore Aspen's 13ers

High-Altitude Hiking Preparedness Basics

What to know before you go

07/05/2021 By James Dziezynski

Explore Aspen's 13ers

Hike a 13er: East Geissler Mountain

A full day’s worth of scenery in a compact outing

07/05/2021 By James Dziezynski