Nanatsugama Seven Basalt Sea Caves Best Season
Nanatsugama Seven Basalt Sea Caves optimal visiting season and conditions.
Designated a National Natural Monument along the Genkai Sea. Raging ocean currents have bored seven parallel caverns into towering cliffs of columnar basalt rock, the largest extending 110 meters deep into the earth. Excursion boats navigate straight into the mouth of the caves.
- Best time
- All year
- Entry
- Not checked · Check the official site ↗
- Parking
- Nearby parking · 6 min walk · Navigate ↗
- Getting there
- Plan the route from your start ↓ · Open in Google Maps ↗
- Official info
- commons.wikimedia.org ↗
💡 Reference photograph; views and access can change.
Weather for your date
Today shows live hourly weather. Future dates show the best available report.
24°C
Clear sky
💧 0% rain chance · wind 29 km/h
Hourly forecast
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Forecast: Open-Meteo
Directions to Nanatsugama Seven Basalt Sea Caves
Leave the start blank to choose your current location in Google Maps. The pin is an approximate landmark; check the entrance and live services in Maps.
When to see this place
Typical viewing windows. Weather and bloom dates vary each year; these are not live forecasts.
Suitability
Stroller: Not recommended
Nursing room: Not available
Noise level: moderate
Rules
Nearby places
Within 30 km, closest first.
SagaKabe Island
An island off Yobuko joined by bridge, with grassy clifftop views over the Genkai Sea and a ranch on top.
5 km away
SagaHado Cape and Tsuboyaki Hut
A windswept cape on the Genkai Sea in Karatsu, paired with the small grilled-turban-shell stalls beside the parking area. The coast is known for broad sea views, sunrise and sunset, with the underwater observatory nearby.
9 km away
SagaKakara Island
A small island off Yobuko reached by ferry, linked by legend to the birth of King Muryeong of Baekje.
9 km away
SagaKaratsu Castle
A seaside castle tower on a hill above Karatsu Bay, known as 'Maizuru Castle' for its crane-like wings of pine forest.
11 km away
FukuokaItoshima Coast
Itoshima Coast is a notable visitor destination in Fukuoka Prefecture. Check the official local source for current access, hours, closures and seasonal conditions.
18 km away
Sources, photo credits and verification
Place information: Official tourism source