Tree Fort is an annual music and arts festival held in Boise, Idaho. It features a diverse lineup of artists across various genres, including rock, indie, and electronic music. The festival typically takes place in March and spans several days, attracting both local and national attendees. In addition to music, Tree Fort offers a range of activities, such as film screenings, yoga sessions, and workshops. The event promotes community engagement and supports local businesses, making it a vibrant celebration of creativity and culture in the Boise area.