Why Drive from Tokyo to Hakone Onsen? Renting a car gives you door‑to‑door access to hot spring towns, ryokan with private baths, and scenic viewpoints that are difficult to reach by train or bus. A car also lets you time onsen visits to avoid crowds, bring luggage without transfers, and combine Hakone with outlets, wineries, or Mt. Fuji photo spots in a single loop. When Is the Best Time to Drive to Hakone? Hakone is a year‑round destination. Weekdays outside national holidays are best for smooth traffic. Peak congestion times include Saturday mornings outbound from Tokyo and Sunday evenings inbound. Autumn foliage (late October to late November) is popular; leave early and reserve parking where possible. In winter, check for snow advisories on mountain roads. Essential Documents for Overseas Drivers in Japan International Driving Permit (IDP) Most visitors need an IDP based on the 1949 Geneva Convention plus their home driver’s license and passport. Japan does not accept 1968 Convention permits. Countries Requiring Official Japanese Translation Drivers licensed in certain countries/regions can drive with their home license plus an official Japanese translation issued by authorized bodies; always verify current rules before travel. Minimum Age, Credit Card, and Address Major agencies require drivers to be at least 18–20 years old (varies by provider), a physical credit card for the deposit, and a local contact address (hotel is fine). Choosing the Right Car Class Compact (1000–1300cc) Best for 1–2 travelers with light luggage; easy in narrow ryokan streets. Mid‑size & Hybrids Comfortable for 3–4 travelers and luggage; ...