## Driving Inside a Volcano Mount Aso, located in the center of Kyushu, boasts one of the largest active volcanic calderas in the world. Measuring 25 kilometers across, the caldera is so massive that entire towns, farms, and railways exist inside it. Exploring this majestic landscape by campervan is a bucket-list experience for any road tripper in Japan. ## The Best Driving Routes The area around Aso is famous for its driving roads. - **The Yamanami Highway:** Approaching Aso from the north (Yufuin/Beppu), this route cuts through the Kuju mountain range and offers sweeping, cinematic views of the caldera as you descend into it. - **The Milk Road:** Running along the northern rim of the caldera, this road provides access to the Daikanbo lookout, the absolute best spot to view the "Five Peaks of Aso" which resemble a sleeping Buddha. ## Visiting the Crater You can drive your campervan all the way to the crater rim of Nakadake (the currently active peak). However, access is strictly monitored based on daily volcanic gas emissions. Always check the official Aso Volcano Crater regulation website before driving up the toll road. ## Best Campervan Parking: Michi-no-Eki Aso For overnight stays, **Michi-no-Eki Aso (Aso Roadside Station)** is widely considered one of the best RV stops in all of Japan. - Located right next to Aso Station inside the caldera. - Offers pristine, 24-hour restrooms. - Famous for selling incredible local produce, including Aso Jersey Milk, bento boxes, and fresh vegetables. - A short walk or drive to several fantastic local onsens (hot springs) for your evening bath. With endless grassy plains, grazing horses, and smoking peaks, Mount Aso is the crown jewel of any Kyushu campervan adventure.