Main Page | See live article | Alphabetical index Mount Si is a mountain in Washington, United States. It towers above the Puget Sound Basin, and sits near the town of North Bend. The mountain was made famous in the show Twin Peaks, which took place in North Bend. The mountain is a favorite outdoor destination among the citizens of Puget Sound. On most summer days one can count hundreds of climbers on the trail to the summit. It is rumored to be the most-climbed peak in the United States. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.