Since 1901, the Sierra Club has established itself as a trailblazer in responsible travel. Whether you’re interested in habitat restoration in Point Reyes National Seashore, going on an Arctic Refuge Wildlife Safari, or hiking in the Canadian Rockies, there are over 300 stellar trips—186 of which are under $1,000—to choose from.

This year, we’ve teamed up with the Sierra Club to help make travel feel extra good. Take advantage of these exclusive oM discounts by signing up for a memorable, all-inclusive adventure in 2012.

The Promo Code: Use “Off Metro 2012” when booking online or speaking to a reservationist.

The Discount: $50 off service trips, $100 off domestic trips, and $300 off international trips

The Guidelines: The discount is limited to one per person, and does not include transportation to/from the trip. All travel logistics can be found at www.sierraclub.org.

A few of our favorite Sierra Club outings around the West Coast:

Learn and Play: Fly Fishing, Hiking, and Kayaking in the Sierra

Treasures of the Triple Divide Peak, Sequoia and Kings Canyon National Parks

Rafting Among Glaciers and Grizzlies: Tatshenshini and Alsek Rivers, Alaska and British Columbia

 Somewhere Over the Rainbow, Navajo Indian Reservation, Arizona and Utah

Photos: Ada Be, Sierra Club, Näystin