Park managers are concerned about regional and global changes having significant effects on Yosemite's highest elevations. Now is a good time to be learning more about the land above the trees, the plants and animals that flourish in the short growing season, and the threats to this part of our national park. Michael Ross has been exploring alpine natural history for much of his career here and will be an able guide to understanding how this highest life zone works.
The YA/YF member price is $209.
Hiking: moderately challenging, up to 7 miles/day, at 9-11,000'
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