The Usui Pass Observation Platform

The Usui Pass Observation Platform (碓氷峠見晴台) is a popular attraction located on the border between Karuizawa, Nagano Prefecture, and Annaka, Gunma Prefecture, Japan. Situated atop a mountain, the platform offers visitors breathtaking panoramic views of the surrounding landscape.

The observation platform is accessible by car or bus, with bus service available from Karuizawa Station. The journey itself is scenic, winding through mountainous terrain and showcasing the area’s natural beauty.

Upon reaching the platform, visitors can enjoy a leisurely stroll and take in the spectacular vistas. On a clear day, Mount Fuji can be seen in the distance.

The Usui Pass, where the observation platform is located, holds historical significance as a former transportation route connecting Tokyo and northern regions of Japan. The pass was particularly famous for its Abt system railway, which was a marvel of engineering during its time. The history of the pass and its railway can be explored at the Usui Pass Railway Heritage Park, located nearby, which features exhibits and displays on the topic.

For those seeking outdoor adventure, the area offers several hiking trails with stunning views of the surrounding mountains and forests. Visitors can also explore the Old Usui Pass Observation Platform, located near the current one. Ample free parking is available at the site.

Whether you are a nature enthusiast, history buff, or simply looking for a peaceful escape from the city, the Usui Pass Observation Platform is an ideal destination offering a blend of natural beauty, historical significance, and recreational opportunities.

Getting there

By Bus

• From late April to late November, the Karuizawa Aka Bus (Red Bus) operates
• Runs about once per hour between Manpei Hotel, Karuizawa Ginza, and the Observation Platform
• One-way fare: 500 yen
• Round-trip fare: 800 yen
• Travel time: About 20 minutes from Old Karuizawa Ginza Street

By Taxi

• From Karuizawa Station
• Travel time: About 10 minutes
• Cost: Around 2000 yen one way

On Foot

• From Old Karuizawa Ginza Street
• Hiking time: About 90 minutes
• Follow the Kyu-Usui Pass Sightseeing Trail

By Car

• About 10 minutes drive from Old Karuizawa Ginza Street
• Limited parking available (maximum 5 cars)
• Arrive early, especially on weekends and holidays, as parking fills up quickly

Details

Hours	Open 24 hours
Admission	Free