5 Must-Visit Tourist Spots in Oigami Onsen, Gunma – Surrounded by Abundant Nature!

Oigami Onsen in Numata City, Gunma Prefecture is a charming hot spring destination surrounded by breathtaking natural beauty. Located along the tributaries of the Tone River, it is famous for the Kashiwazaki Gorge and the impressive Fukiware Falls, often called the “Niagara of the East.” This area is a must-visit for nature lovers seeking a serene escape.
Oigami Onsen also serves as a gateway to Oze National Park, making it a popular stop for travelers exploring the region throughout the year. Whether you visit in spring, summer, autumn, or winter, the area is always bustling with activity. In this guide, we’ll introduce the top recommended tourist spots in Oigami Onsen that you shouldn’t miss.

1. Oigami Onsen Morning Market

The Oigami Onsen Morning Market is a charming attraction that makes tourists want to wake up early just to visit. Held daily from April to November between 6:00 AM and 7:30 AM, this lively market takes place at the plaza in front of the Tourism Center in Numata City, Gunma Prefecture.
Here, stalls overflow with freshly harvested vegetables, juicy fruits, wild mountain herbs, and local specialties, all brought directly by local farmers and residents. Visitors can also enjoy unique homemade delicacies such as pickled alpine garlic in white soy sauce—perfect as a snack or with drinks. One of the highlights is that you can taste samples before purchasing, making the market a feast for both the eyes and the palate.
Beyond shopping, the market offers a warm opportunity to interact with locals, adding to the authentic travel experience and making your visit to Gunma’s hot spring town even more memorable.

2. Fukiware Falls

A must-see natural wonder, Fukiware Falls is one of Gunma Prefecture’s most famous tourist spots. Often called the “Niagara Falls of the East,” this majestic waterfall was formed over thousands of years as the riverbed eroded, leaving deep cracks and dramatic rock formations. Its name, meaning “split rocks,” comes from the way the river appears to have burst open massive stones.
The area features walking trails and viewing platforms, allowing visitors to experience the roaring waterfall up close. The panoramic scenery is breathtaking and a perfect spot for photography. A leisurely walk along the path takes about an hour, making it an ideal nature excursion either before soaking in Oigami Onsen or afterward when you’re fully relaxed.

3. Tambara Lavender Park

Tambara Lavender Park captivates visitors from Oigami Onsen with its breathtaking lavender fields. As one of the largest lavender theme parks in the Kanto region, it features over 50,000 blooming lavender plants, drawing countless tourists each year during the flowering season. Many visitors to Oigami Onsen make it a must-see stop on their trip.
At the Resort Center, where a stunning flower field spreads out before you, the most popular treat is lavender-flavored soft ice cream. In the Highland Garden, guests can enjoy a picnic atmosphere under outdoor tents while savoring authentic stone-oven pizzas. Meanwhile, the main dining Rest House offers gourmet dishes featuring premium Joshu beef.
What makes Tambara Lavender Park even more fascinating is its location—it is actually a ski resort. Situated in the Tambara Highlands at an elevation of 1,200 to 1,500 meters, the area transforms into a vibrant flower field from spring to summer, and into Tambara Ski Park during winter. With family-friendly areas such as kids’ ski slopes, it’s a year-round destination offering something special in every season.

4. Harada Farm

For a taste of seasonal delights near Oigami Onsen, Harada Farm is the perfect destination. This famous fruit farm lets visitors experience fruit-picking throughout the year, including apples, strawberries, cherries, blueberries, peaches, and grapes. As a well-known tourist attraction often featured in the media, it also welcomes many sightseeing buses.
Inside the spacious facility, you’ll find a wide souvenir shop and a dining area offering fresh flavors. Popular highlights include freshly pressed juice samples and the farm’s signature Baumkuchen cake, “Harada Kuchen,” crafted in its in-house workshop. It’s also a top spot for picking up gifts after a relaxing hot spring trip. With over 400,000 visitors annually, it truly lives up to its reputation as the “Orchard of Fruits.”

5. Corn Highway

Along National Route 120 in Higashi-Ogawa, Katashina Village, Gunma Prefecture, you’ll find the famous Corn Highway (とうもろこし街道)—a 4-kilometer stretch lined with around 36 shops. The irresistible aroma of grilled corn lures travelers to stop by, making it one of the most popular roadside attractions in the area. Aside from perfectly roasted corn, visitors can also buy freshly harvested local vegetables, making it a delightful stop for both food lovers and travelers seeking authentic rural flavors.
The Corn Highway is open only from late April until November, making it a seasonal attraction worth experiencing during your trip. Many repeat visitors even have their favorite shops they go back to year after year. Why not discover your own favorite spot here too?

◎ Summary

Oigami Onsen, a quaint hot spring town surrounded by mountains, offers a wealth of nature-blessed attractions. Visitors can enjoy seasonal beauty, experience local markets hosted by farmers, and stroll along the Corn Highway for an unforgettable taste of Gunma. What makes Oigami Onsen special is that all inns and hotels use natural hot spring sources, allowing travelers to heal and relax after sightseeing. A day of exploring local spots followed by a rejuvenating hot spring bath is the perfect way to experience this hidden gem in Gunma.

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5 Must-Visit Tourist Spots in Oigami Onsen, Gunma – Surrounded by Abundant Nature!