Alishan

Chiayi · Alishan

Bortle 3 · Rural dark sky ｜ Elevation 2488m ｜ SQM ~21.4 ｜ Best view South

The Alishan National Forest Recreation Area at ~2,488 m — Taiwan's most famous sunrise-cloud-sea-stargazing trio. The 360° Ogasawara viewing deck lets you line up an evening cloud sea, a midnight Milky Way and a dawn sunrise in one visit.

In-depth stargazing guide

Last reviewed: 2026-07

Alishan is not the darkest site in Taiwan, but it is one of the easiest places to combine sunset cloud sea, forest railway atmosphere, Milky Way and sunrise. Ogasawara Viewpoint offers broad horizons and mature facilities for first high-mountain stargazing trips.

Getting there

Access is via Highway 18 into Alishan National Forest Recreation Area. Staying inside the park is safer than driving up and down after midnight. Walk to Ogasawara from the Zhaoping area with a headlamp and a known route.

On site & lodging

Lodging, food and toilets are convenient, but that also means voices, headlights and building lights. Work away from the busiest paths when possible, or use ridges and tree silhouettes to block park lighting.

Milky Way season & timing

The March to October Milky Way season is best. Spring favours pre-dawn core rise, while summer allows earlier shooting. Cloud sea can block western plain glow when it stays below you, but fog at viewpoint height will erase the sky quickly.

What & how to shoot

Alishan is strongest as a sequence: sunset cloud sea, night sky, blue-hour forest and sunrise. For single Milky Way frames, use ridge lines, cypress silhouettes or distant cloud sea rather than forcing tourist structures into the shot.

Safety & rules

Nights are cold, paths can be slick, and sunrise crowds start moving early. If you plan to shoot through to dawn, keep enough rest and energy for the descent. Avoid walking beside tracks or roads in dense fog.

Galactic core tonight

🌌 Tonight the Milky Way core climbs to a shootable altitude around 20:13, sinks back near 02:43, and peaks around 22:23 at roughly 37° in the South.

Access

Via Highway 18; park entry fee applies. The Ogasawara deck is a walk from Zhaoping Station — bring a headlamp for the night trail.

Facilities

Full park facilities: lodging, food, shops and toilets; light is fairly controlled but visitor numbers are high.

Best season

Mar–Oct Milky Way season; sunrise and cloud seas pair well year-round.

See the nearby city's stargazing calendar

Bortle class and SQM are estimates for well-known sites, used to compare darkness — not on-site measurements.