Fredag Natten Oppgradering - Slottsfjell 2026 festival takes place on 2026-07-10 at Kaldnes in the historic coastal city of Tønsberg, offering an electrifying Friday-night program that blends local culture with cutting-edge music and art. Set against Kaldnes' waterfront and industrial-chic backdrop, the event will feature multiple stages, pop-up installations, food vendors highlighting regional flavors, and late-night sets designed to keep the energy high into the early hours. Attendees can expect a curated mix of emerging talent and established acts, immersive visual productions, and community-focused activities that celebrate the spirit of Vestfold and the wider Norwegian scene. Make sure to secure tickets early as capacity is limited and transport options to Tønsberg fill up quickly, and plan to arrive ready to enjoy a lively, well-organized festival experience that revitalizes Friday night in the heart of Kaldnes.
