To see the main highlights of the Pompeii archaeological site in 2026, you should plan for at least 3 to 4 hours. This "Express" route typically includes the Forum, the Stabian Baths, the Lupanar (brothel), and the House of the Faun. However, Pompeii is a massive city covering over 160 acres, and if you are a history enthusiast who wants to visit the more remote areas like the Amphitheatre or the Villa of the Mysteries, you will need a full day (6 to 8 hours). In early 2026, the site has improved its "smart route" planning with a mobile app that helps visitors avoid backtracking, but the uneven stone streets and limited shade make for a physically demanding day. Most guided tours are 2 to 3 hours long, which covers the "greatest hits" but can feel rushed. A "balanced" visit of 4 to 5 hours is often considered the sweet spot, allowing for a lunch break at the on-site cafe and a few moments of quiet reflection in the less-crowded residential quarters, where some of the best-preserved frescoes are located.