Ogunuma Swamp
Oguni Numa
A mystical caldera lake nestled within the Nekoma Volcano.Explore this spot
Ogunuma Swamp is a beautiful caldera lake formed by the ancient volcanic activity of the Nekoma Volcano, located in Kitashiobara Village, Fukushima Prefecture.
What makes it special
About Ogunuma Swamp
- Early Summer Nikko-kisuge: The sight of the golden Nikko-kisuge lilies blooming from late June to July is a must-see.
- Scenic Boardwalks: Walk the 843m of well-maintained paths to observe plants safely without harming the ecosystem.
- Hiking Trails: Enjoy various routes, from the Ogunuma Seseragi path to more challenging mountain treks.
- Natural Monument: Experience the profound beauty of a high-altitude marshland designated as a National Natural Monument.
- Serene Landscapes: Immerse yourself in the tranquil atmosphere of a beautiful caldera lake.
Photo gallery
All photos
Weather forecast
Mon
8/3
18°/15°
96%
Tue
8/4
23°/14°
4%
Wed
8/5
23°/16°
7%
Thu
8/6
26°/19°
32%
Fri
8/7
25°/19°
86%
Sat
8/8
23°/18°
99%
Sun
8/9
21°/17°
76%
Tips
Payment
There are no shops within the immediate site. For nearby facilities, we recommend carrying cash or credit cards (Visa/MasterCard, etc.).
English Support
English signage and information within the natural park are limited. It is recommended to research routes and maps in advance.
Reservations
No advance reservation is required for walking, but please be aware that the area can get crowded during the peak flower season.
Clothing
Wear comfortable hiking attire and sturdy walking shoes or trekking shoes. Even with boardwalks, the terrain is natural and can be uneven.
Photography
Photography is permitted, but please do not step off the designated paths or disturb the plants to protect the environment.
Accessibility
While there are boardwalks, the natural terrain includes steps and slopes. Please check the route status if considering accessibility needs.
Etiquette
This is a National Natural Monument and National Park. Picking plants and littering are strictly prohibited. Please take all trash home with you.