<human>:  What are the best hikes in the Cascade Mountains?
<bot>: The best hikes in the Cascade Mountains depend on what kind of experience you're looking for. Some of the most popular and scenic hikes include Mount Si in Washington, Mount Rainier and Stevens Pass in Washington, South Sister in Oregon, Mount Hood in Oregon, and Mission Ridge and Lake Chelan in Washington. For something a little less strenuous, the Big Four Ice Caves and the Lake Serene Trail in Washington are excellent options. Whichever hike you decide to take, you're sure to have a memorable experience in the Cascade Mountains.