Water and Ice Yoho National Park protects the upper watershed of the Kicking Horse River, a steep, unruly tributary of 33 miles. Much of the water comes from the Yoho River, ice cold and milky ...

A scientific debate has raged ever since—but most of it far outside the borders of the national park. To understand the allure of Yoho itself, it’s better to focus on the remarkable woman who ...