High Sierra website is operated by shop.highsierra.com, a mid-size Outdoors retailer in the country. Currently we are providing 7 offers, 1 free shipping and 1 newsletter. In general, the WebbyPlanet community publishes 6 new High Sierra coupon codes or deals each month, with discounts that range from 15% to 54% off. This page was last updated on February 14, 2020. Never miss a great High Sierra promo code or online coupon and save money on your trekking purchase by using deals on this page.