Seattle ICO
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Seattle ICO began as part of the Cascade Chapter of the Sierra Club in 1991, and has grown to become one of the most active ICO programs in the National Sierra Club. The first ICO group was established in 1971 as part of the San Francisco Bay Sierra Club Chapter. There are now approximately 50 groups across the country serving thousands of participants each year. Seattle ICO operates as an all-vol
12/13/2025
Shout out to our amazing teacher sponsor at Rainier Beach, . As a Biology teacher, she's always excited to explore new places with us and the students in Washington. Thanks for all you do!!!
12/13/2025
We lucked out with a beautiful sunny day to explore the Mima Mounds & see the deluge of water at Tumwater Falls with Rainier Beach High School students! A wonderful December Saturday with ICO 🙌
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Seattle, WA
