Senami Onsen is a coastal hot spring resort in Murakami City where bathers can soak while overlooking the Sea of Japan — making it one of Niigata’s most scenically distinctive onsen destinations.
What It Is
Perched on cliffs above the Sea of Japan, Senami Onsen’s ryokan are known for outdoor baths (rotenburo) with unobstructed ocean views. The area is also a gateway to Murakami City, famous for its historic townscape and salmon cuisine.
Highlights
Watching the sunset from an open-air bath overlooking the sea is the signature experience at Senami. Combined with Murakami’s local seafood and the historic town center, it makes for a rewarding overnight itinerary.
Best For
Travelers seeking ocean-view hot spring bathing; seafood lovers; those combining onsen with cultural sightseeing in Murakami.
Best Season
Summer for dramatic ocean views. Autumn and winter add a moody, atmospheric quality.
Access
From Niigata Station: JR Uetsu Main Line to Murakami Station (~70 min), then 15–20 min by bus or taxi to Senami. By car: about 60–70 minutes.
Travel Tips
Murakami City’s historic center — with old samurai residences and sake breweries — is 15 minutes from Senami. Murakami is also famous for sake-biki salmon cuisine, worth trying at your ryokan or local restaurants.
Japanese version: 瀬波温泉（日本語）