Glacier Peak is Washington's most remote stratovolcano, towering high in the Cascade Mountains some 50 miles from the waters of Puget Sound. But in the not-so-distant past, eruptions from this volcano sent huge mudflows all the way down to the Skagit Flats - and it could happen again. Watch more episodes of Nick on the Rocks on the Cascade PBS app. https://bit.ly/3AVJTz7 | Cascade PBS