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Tkx CC BY-SA 4.0 Wikimedia Commons

Lake Linow

Lake

Volcanic crater lake near Tomohon, North Sulawesi, known for sulfurous waters whose colors shift with mineral runoff. Day visitors come for hot springs and volcanic scenery.

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In this guide

Lake Linow essentials

Address: Tomohon area, North Sulawesi, Indonesia (near Manado)
Hours: Open 24 hours
Admission: Free

About Lake Linow

Lake Linow is a small volcanic lake in North Sulawesi, Indonesia, located close to the town of Tomohon. It is notable for its hydrothermal activity that can change the lake’s color and produce a pronounced sulfur odor.

The site is popular as a short roadside stop and viewpoint; visitors typically view the lake from established platforms or nearby lookouts rather than swimming because of hot vents and acidic water. Photographers and tourists come to see the shifting colors and fumarolic activity.

The lake occupies a volcanic setting and is fed by hydrothermal inputs rather than by large inflows; its appearance can change with activity levels. Local guides often point out safe viewing areas and explain the geology.

Geographically the lake sits near Tomohon in North Sulawesi, within a volcanic highland area inland from the north Sulawesi coast and within driving distance of the city of Manado.

  • Volcanic activity: Famous for visibly changing water colors and a strong sulfur smell caused by volcanic gases and hydrothermal activity, so expect fumes and warm patches at the shore.
Things to Do
When to Go

Best Time to Visit Lake Linow

Visit when visibility is highest (dry season mornings) to watch the lake's famously shifting colors and to avoid the strongest volcanic fumes.

Dry season (best for clear views)
May-September · 22-28°C (72-82°F)
Drier air means less steam and clearer views of the lake's color changes.
Wet season (more dramatic steam)
October-April · 24-30°C (75-86°F)
Afternoon showers and warmer air can make the sulfur plumes and steam feel theatrical - but visibility is often poorer.

Weather & Climate near Lake Linow

Climate

Lake Linow's climate is classified as Tropical Rainforest - Tropical Rainforest climate with consistently warm temperatures year-round. Temperatures range from 17°C to 27°C. Heavy rainfall (2320 mm/year), wettest in January.

Air Quality: AQI 46 Good
Best Time to Visit
AugustSeptemberJuly
Temperature & Rainfall
Temperature Range
32°
Warmest Month
23°
Coldest Month
Monthly Conditions
Month Comfort Temp Feels Rain Sky Humidity Wind UV Daylight
January Good 18° - 26° 22° 260 mm overcast 85% 1.9 m/s 2.1 extreme 11.9h
February Good 17° - 26° 22° 210 mm overcast 84% 1.9 m/s 2.4 extreme 12.0h
March Good 18° - 27° 22° 214 mm overcast 84% 1.9 m/s 2.6 extreme 12.0h
April Good 18° - 27° 22° 226 mm partly cloudy 82% 1.5 m/s 2.5 extreme 12.0h
May Good 18° - 27° 23° 250 mm partly cloudy 82% 1.3 m/s 2.4 extreme 12.1h
June Very Good 18° - 27° 22° 175 mm partly cloudy 83% 1.5 m/s 2.2 extreme 12.1h
July Very Good 18° - 27° 22° 123 mm partly cloudy 83% 1.9 m/s 2.2 extreme 12.1h
August Excellent 18° - 27° 22° 90 mm partly cloudy 82% 2.0 m/s 2.5 extreme 12.1h
September Very Good 18° - 27° 22° 115 mm partly cloudy 79% 2.0 m/s 2.6 extreme 12.0h
October Very Good 18° - 27° 23° 176 mm partly cloudy 78% 1.6 m/s 2.4 extreme 12.0h
November Good 18° - 27° 23° 238 mm overcast 81% 1.4 m/s 2.2 extreme 11.9h
December Good 18° - 26° 22° 243 mm overcast 84% 1.6 m/s 2.1 extreme 11.9h
Getting There & Around

How to Get to Lake Linow

From Manado (Sam Ratulangi International Airport), drive about 45-60 minutes southwest along the RN13 and local roads toward Tomohon; Lake Linow is a short drive from Tomohon town center (roughly 10-20 minutes depending on traffic). Local minibuses (angkot) and organized tours from Manado/Tomonhon include the lake on highland day-trip routes.

Tips for Visiting Lake Linow

  • Go early in the morning for the least sulfur haze and the clearest color shifts - sunrise often brings the most dramatic green-to-turquoise tones.
  • Stand behind the low fences and respect signage: escaping gases (hydrogen sulfide) can collect in hollows; don't linger where fumes smell strong.
  • Bring a lens with a polarizer to cut glare - reflections and the lake's shifting hues make for cinematic photos.
  • Combine a visit with nearby Mahawu or Lokon volcano viewpoints (Tomohon) to see how volcanic geology stitches the landscape together.