South Sister is the highest of the Three Sisters and is located in Central Oregon. This approach is from Green Lakes, and typically involves an overnight at the lakes. The climb is long, but not technical. Outstanding views from the summit.

Activity Notes

There is an approaching favorable weather window this weekend...

Because of the nature of late season weather, the climb dates may need to shift forward, or back by a day. The climb leader will be proactive trying to communicate these potential changes in a timely way.

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The climb require significant physical fitness...

This will be a three day climb up Mt. Olympus, and I've never been up Olympus so this will be an "exploratory climb." We'll be camping in an alpine environment, and it'll be late season, so be prepared for changing conditions, as well as an engaging glacier crossing.

You'll need a strong skillset, and set of experiences, for walking in crampons on icy terrain.

As a note, I deliberately focus on selecting a diverse, and gender-balanced team when selecting applicants to my climbs. I take into consideration an individual's physical fitness, sufficient skill level for the route, and how they can increase the diversity of the climb team. This especially extends to the selection of the climb assistants, and lead-climbers, in order to open opportunity for their training as future leaders in the Mazamas.

If you have any questions, feel free to contact me, or the assistant.

Other Information
Driving Distance from Portland 190 miles
Driving Time from Portland 4 hours
Expected Duration Car to car in two or more days
Relevant Books Oregon High by Jeff Thomas
Relevant Maps USGS 7 1/2 minute series: South Sister, and Geo-Graphics, Three Sisters Wilderness <href="http: "="" adventure="" c463="" starts-here="" title="On the Mazama Climbing and Hiking map page " www.mazamas.org="" your="">On the Mazama Climbing and Hiking map page <href="http: maps.google.com="" maps?f="q&source=s_q&hl=en&geocode=&q=middle+sister&sll=44.103449,-121.769206&sspn=0.018891,0.04549&g=north+sister&ie=UTF8&ll=44.127028,-121.734352&spn=0.151065,0.363922&t=p&z=12"" title="Google maps">Google maps</href="http:></href="http:>
Awards Qualified 16 Major NW Peaks, Seven Oregon Cascades Peaks
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