Plunge into the forest on your first overnighter, kayak the ocean shore or traverse the slopes at Snoqualmie Pass.. In Short Volunteers coordinate mountains of outdoor activities for more than 14,000 adventurers of all experience levels. Pick any summer weekend, for example, and you'll probably be able to choose from more than 20 hikes. Not to mention biking, running, climbing and sailing outings. You can attend courses year round on everything from alpine scrambling to telemark skiing.