The top 12 things to do in Boise, Idaho. Kaidi Stroud. Sep 21, 2022 • 10 min read. Login Save . Share. Outdoor adventure seekers flock to Boise for river tubing, hiking, skiing and more© steve bly / Alamy Stock Photo. Natural playgrounds and all-season outdoor recreation define the "City of Trees." Boise's 160 miles of trails ...