Gunma Prefecture is the perfect destination for a day trip, just 2–3 hours by car from Tokyo. With its blend of historical landmarks, breathtaking natural beauty, and one of Japan’s most famous hot spring towns, Gunma offers a variety of attractions to explore. Here are four must-visit destinations that are ideal for road trips. Why not rent a car during your Tokyo stay and discover the charm of Gunma?
Tomioka Silk Mill: A UNESCO World Heritage Marvel
Tomioka Silk Mill, a UNESCO World Heritage site, stands as a testament to Japan’s industrial revolution. This perfectly preserved 19th-century silk factory offers visitors a fascinating glimpse into Japan’s modernization period. The distinctive red brick architecture, reminiscent of European industrial buildings, creates stunning photo opportunities. English-speaking guides and detailed multilingual exhibits make this an excellent first stop on your Gunma road trip.
Basic Information
Hours
9:00 AM – 5:00 PM (Last entry at 4:30 PM)
Parking and Access
- Free parking available
- Approx. 10 min by car from Tomioka IC on the Joshin-etsu Expressway
Admission
- Adults: ¥1,000
- University & High School Students: ¥250
- Middle & Elementary School Students: ¥150
- Preschoolers: Free
Megane Bridge: A Historic Railway Monument
Just a short drive from Tomioka Silk Mill lies Megane Bridge, an architectural masterpiece from the Meiji era. This brick railway bridge, whose name means “Spectacles Bridge” due to its distinctive arches, offers photographers and history enthusiasts a unique glimpse into Japan’s early railway development. The bridge’s four symmetrical arches create perfect reflections in the river below, especially stunning during autumn when surrounded by vibrant fall colors.
Basic Information
Hours
Open 24 hours
Parking and Access
- Free parking available
- Approx. 15 min by car from Matsuidamyogi IC on the Joshin-etsu Expressway
Kusatsu Onsen: A Timeless Hot Spring Town
No road trip to Gunma would be complete without visiting Kusatsu Onsen, one of Japan’s most celebrated hot spring towns. The journey to Kusatsu takes you through winding mountain roads, building anticipation for the unique onsen experience ahead. The town’s centerpiece, the Yubatake, steams dramatically in the center of town, where you can watch the traditional water cooling process and enjoy free foot baths. The town’s charming streets are perfect for strolling in yukata (provided by most hotels), with numerous shops offering local crafts and snacks. While day trips are possible, consider staying overnight to fully experience the therapeutic waters and peaceful evening atmosphere.
Basic Information
Hours
Open 24 hours
Parking and Access
- Free parking available
- Approx. 1 hr 30 min by car from Shibukawa-Ikaho IC on the Kan-etsu Expressway
Lake Haruna: Nature’s Mountain Mirror
As you approach Lake Haruna, the road winds through forested mountains, offering glimpses of the crystalline lake below. This caldera lake, formed by volcanic activity, sits at an elevation of 1,084 meters, providing relief from summer heat and spectacular seasonal views. The lake’s shoreline features several small parking areas where you can safely pull over to capture the perfect shot. Visitors can enjoy boating in summer, hiking in spring and fall, or ice fishing in winter. The nearby Haruna Shrine adds a cultural dimension to your visit, its ancient structures creating a perfect harmony with the natural surroundings.
Basic Information
Parking and Access
- Free parking available
- Approx. 1 hr by car from Takasaki IC on the Kan-etsu Expressway
How to Access Gunma from Tokyo?
The journey from Tokyo to Gunma’s attractions is straightforward thanks to Japan’s well-maintained expressway system. Here’s your comprehensive guide to reaching each destination.
Getting to the Expressway from Tokyo
Start your journey by entering the Metropolitan Expressway system. If departing from Tokyo Station, take the Ueno Route to connect with the Kawaguchi Route From Shinjuku, the 4th Circular Route provides direct access. Both routes lead to the Nerima IC, your gateway to the Kan-etsu Expressway .
Main Route to Gunma
Once you enter the Kan-etsu Expressway at Nerima IC, the drive becomes straightforward. After about 50 minutes, you’ll reach Fujioka JCT, a key diverging point for accessing different attractions:
For Tomioka Silk Mill and Megane Bridge
- Take the Joshin-etsu Expressway at Fujioka JCT
- Exit at Tomioka IC for the Silk Mill (about 10 minutes from exit)
- For Megane Bridge, continue to Matsuida-Myogi IC (about 15 minutes from exit)
For Kusatsu Onsen and Lake Haruna
- Continue on the Kan-etsu Expressway past Fujioka JCT
- For Lake Haruna: Exit at Takasaki IC
- For Kusatsu Onsen: Exit at Shibukawa-Ikaho IC
Approximate Travel Times
Driving times from Tokyo Station to major destinations in Gunma Prefecture.
- Tomioka Silk Mill: approx. 1 hr 45 min
- Megane Bridge: approx. 2 hr 5 min
- Kusatsu Onsen: approx. 3 hr
- Lake Haruna: approx. 2 hr 20 min
Parking Information
Most tourist spots in Gunma offer either free or paid parking. Be sure to check parking availability in advance for a hassle-free experience.
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