Northern lights in Hakodate tonight

Mount Hakodate (334 m) is the city's signature viewpoint, with Hakodate's famous night panorama spread below. For aurora, the summit gives the benefit of elevation above valley inversion cloud and a 360° horizon, though the city's own light dome is directly below. The north-facing view over the Tsugaru Strait and toward the dark hills of southern Hokkaido is the useful direction. In a major storm (Kp 8-9), the northern sky above the city glow would be the first place to check for low red aurora. The toll road to the summit operates until 22:00 in summer and later in peak autumn viewing season.

Onuma and Konuma lakes sit in a caldera plain 20 km north of Hakodate, with Komagatake volcano (1,131 m) rising to the east. The lake shore gives a clear north-facing view with the volcanic cone as a foreground. Settlement lighting from Onuma town is minimal and the road around the lake gives multiple access points. Bortle 3-4 conditions across the lake shore, improving slightly in the western area away from the village. Komagatake screens light from Hakodate to the south. A practical dark site for those based in Hakodate who need to be within 30 minutes of the city.

Cape Tappi is the northernmost point of Honshu, facing north across the Tsugaru Strait toward Hokkaido. The cape gives a north-facing sea horizon with Bortle 2 conditions - it is one of the darkest accessible coastal sites in northern Japan outside Hokkaido. Hakodate is directly visible as a glow across the strait, approximately 23 km away, but the cape's elevated position and north-facing orientation put that glow below the relevant horizon. The ferry from Hakodate to Oma operates year-round but infrequently - checking the timetable is essential. This is a planned outing rather than a spontaneous option, but for a Kp 8-9 storm with clear skies, the combination of Bortle 2 sky and north-facing sea horizon makes it worthwhile.