Why Drive from Tokyo to Izu Onsen? Izu Peninsula is one of Japan’s most rewarding hot‑spring road trips: rugged Pacific coastline, steaming rotenburo with ocean views, and winding mountain roads like the Izu Skyline. Compared with trains, a rental car lets you hop between multiple baths in one day, detour to secluded beaches, and reach ryokan perched far from stations. This guide explains the best routes, timings, tolls, parking, and itineraries so overseas visitors can confidently drive from Tokyo to Izu onsen. Quick Overview: Distance, Time & Tolls Central Tokyo → Atami/Ito (North Izu): 100–130 km, 2–3 hours depending on traffic. Central Tokyo → Izu‑Kogen/Shuzenji (Central Izu): 140–170 km, 2.5–3.5 hours. Central Tokyo → Shimoda/Kawazu (South Izu): 180–220 km, 3–4.5 hours. Approximate one‑way tolls (ETC): ¥3,000–¥5,500 depending on route and destination. Fuel: 15–25 L (compact to midsize), ~¥2,700–¥4,500 at recent prices. Tip: Start before 7:00 AM or after 10:00 AM to avoid Tokyo and Odawara‑Atsugi morning peaks. Return to Tokyo after 7:00 PM to miss inbound traffic. Best Driving Routes from Tokyo Route A: Tomei Expressway → Odawara‑Atsugi Road → Seishō Bypass → Atami/Ito Best for: Fastest access to Atami, Ito, and Izu‑Kogen. Shuto Expressway out of Tokyo → Tomei Expwy (E1) toward Atsugi. Transfer to Odawara‑Atsugi Road (E85) → Seishō Bypass along the coast. Exit around Manazuru/Atami; climb to Atami or continue to Ito/Izu‑Kogen. Pros: Fast, scenic coast drive; plentiful service areas.Cons: Seishō can jam on holiday mornings and during storms. Route B: Tomei Expressway → Hakone Turnoff → National Route 1 → Ashinoko ...