Mount St Helens Volcano is a must-see attraction, and this small-group tour from Seattle is the ideal way to visit the national monument. A professional naturalist guide will take you to Mount St Helens National Volcanic Monument in a luxury Mercedes van. Visit the observatory, go on an educational trail walk, and learn about the Volcano's infamous 1980 eruption. During the tour, enjoy a gourmet picnic lunch accompanied with local Washington wines, in addition to light snacks and beverages throughout the day.