At 1,576 feet, Little Si is not a lofty peak, but it does offer imposing cliffs that climbers practice on; mountain goats are sometimes seen around it and experienced climbers know a few different routes to its summit. Little Si is a real mountain and on a windy day it can feel like you're miles from nowhere, especially near the summit. This is an easy hike the whole family can do. It's 5 miles round-trip to the summit.