Tesso Nilo National Park

National Park Lowland Sumatran rainforest protecting endangered wildlife

In Riau province, Tesso Nilo National Park protects lowland Sumatran rainforest and wildlife habitat; travelers visit for jungle trekking, primate and birdwatching and conservation-focused tours.

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Tesso Nilo National Park is a protected area in Riau province on the island of Sumatra, established to conserve remaining lowland rainforest and its wildlife. It is one of the region’s protected areas noted for populations of Sumatran elephant and other forest species.

The park covers a mosaic of lowland tropical forest, peat swamp and secondary forest and has been the focus of conservation and anti-deforestation efforts since its designation. Encroachment from agriculture and logging has been a persistent management challenge.

Tesso Nilo lies inland within central Riau province on Sumatra and is accessible from provincial towns; the nearest major regional centre is Pekanbaru to the northwest, with routes into the park from local district towns.

  • Conservation status: The park protects lowland tropical forest habitat important for Sumatran elephants and other threatened species but has faced extensive deforestation and encroachment in recent decades.
Tesso Nilo National Park
Tesso Nilo National Park, Riau Province, Sumatra, Indonesia
-0.1667, 101.7500

How to Get to Tesso Nilo National Park #

Access is from the town of Pekanbaru or local Riau points; most visitors travel by 4x4 with local guides. Coordinate permits and entry with Riau forestry authorities or NGOs working in the park in advance.

Tips for Visiting Tesso Nilo National Park #

  • Arrange park permits and a guide through local conservation offices-access can be limited and subject to anti-poaching patrol schedules.
  • Bring insect repellent and waterproof clothing; the reserve is rainforest and can be very wet even during 'dry' months.
  • Tesso Nilo is remote-expect basic facilities and plan logistics in advance (fuel, food, guides).

Best Time to Visit Tesso Nilo National Park #

Visit during the drier months (May-September) for better access and wildlife tracking; always check park advisories due to conservation activity.

Dry Season
May-September · 24-32°C
Easier jungle trekking and better conditions for orangutan and elephant sightings.
Wet Season
Oct-Apr · 23-31°C
Lusher forest but heavier rains and muddy trails.

Weather & Climate near Tesso Nilo National Park #

Climate

Tesso Nilo National Park's climate is classified as Tropical Rainforest - Tropical Rainforest climate with consistently warm temperatures year-round. Temperatures range from 22°C to 31°C. Heavy rainfall (2436 mm/year), wettest in November.

Air Quality: AQI 65 Moderate
Best Time to Visit
JanuaryFebruarySeptember
Temperature & Rainfall
Temperature Range
32°
Warmest Month
20°
Coldest Month
Monthly Conditions

January

January is warm with muggy conditions (dew point 24°C). Significant rainfall (198 mm) and mostly overcast skies.

65 Good

Comfort

25°
Feels Like Warm
25°C
Temperature
22° 29°
90%
Humidity
Very Humid

Weather

198 mm
Rainfall
1.5 m/s
Wind
Calm
1.9
UV Index
Very High
12.0h daylight

February

February is warm with muggy conditions (dew point 24°C). Significant rainfall (196 mm) and mostly overcast skies.

65 Good

Comfort

26°
Feels Like Warm
26°C
Temperature
22° 30°
89%
Humidity
Very Humid

Weather

196 mm
Rainfall
1.3 m/s
Wind
Calm
2.0
UV Index
Very High
12.0h daylight

March

March is warm with stifling humidity (dew point 24°C). Heavy rain (233 mm) and mostly overcast skies.

55 Acceptable

Comfort

26°
Feels Like Warm
26°C
Temperature
22° 30°
90%
Humidity
Very Humid

Weather

233 mm
Rainfall
1.2 m/s
Wind
Calm
2.2
UV Index
Extreme
12.0h daylight

April

April is warm with stifling humidity (dew point 25°C). Heavy rain (256 mm) and mostly overcast skies.

55 Acceptable

Comfort

27°
Feels Like Warm
27°C
Temperature
22° 31°
91%
Humidity
Very Humid

Weather

256 mm
Rainfall
1.0 m/s
Wind
Calm
2.2
UV Index
Extreme
12.0h daylight

May

May is the warmest month with stifling humidity (dew point 25°C). Heavy rain (202 mm) and mostly overcast skies.

57 Acceptable

Comfort

27°
Feels Like Warm
27°C
Temperature
22° 31°
91%
Humidity
Very Humid

Weather

202 mm
Rainfall
0.9 m/s
Wind
Calm
2.1
UV Index
Extreme
12.0h daylight

June

June is warm with stifling humidity (dew point 24°C). Significant rainfall (130 mm) and mostly overcast skies.

61 Good

Comfort

27°
Feels Like Warm
27°C
Temperature
22° 31°
91%
Humidity
Very Humid

Weather

130 mm
Rainfall
1.1 m/s
Wind
Calm
1.9
UV Index
Very High
12.0h daylight

July

July is warm with muggy conditions (dew point 24°C). Significant rainfall (136 mm) and mostly overcast skies.

61 Good

Comfort

26°
Feels Like Warm
26°C
Temperature
22° 30°
90%
Humidity
Very Humid

Weather

136 mm
Rainfall
1.1 m/s
Wind
Calm
1.9
UV Index
Very High
12.0h daylight

August

August is warm with muggy conditions (dew point 24°C). Significant rainfall (129 mm) and mostly overcast skies.

61 Good

Comfort

26°
Feels Like Warm
26°C
Temperature
22° 30°
89%
Humidity
Very Humid

Weather

129 mm
Rainfall
1.1 m/s
Wind
Calm
2.0
UV Index
Very High
12.0h daylight

September

September is warm with muggy conditions (dew point 24°C). Significant rainfall (193 mm) and mostly overcast skies.

65 Good

Comfort

26°
Feels Like Warm
26°C
Temperature
22° 30°
89%
Humidity
Very Humid

Weather

193 mm
Rainfall
1.0 m/s
Wind
Calm
1.9
UV Index
Very High
12.0h daylight

October

October is warm with stifling humidity (dew point 24°C). Heavy rain (241 mm) and mostly overcast skies.

63 Good

Comfort

26°
Feels Like Warm
26°C
Temperature
22° 30°
90%
Humidity
Very Humid

Weather

241 mm
Rainfall
1.0 m/s
Wind
Calm
1.9
UV Index
Very High
12.0h daylight

November

November is warm with stifling humidity (dew point 24°C). The wettest month with heavy rain (282 mm) and mostly overcast skies.

63 Good

Comfort

26°
Feels Like Warm
26°C
Temperature
22° 30°
91%
Humidity
Very Humid

Weather

282 mm
Rainfall
0.9 m/s
Wind
Calm
2.0
UV Index
Extreme
12.0h daylight

December

December is warm with stifling humidity (dew point 24°C). Heavy rain (240 mm) and mostly overcast skies.

63 Good

Comfort

26°
Feels Like Warm
26°C
Temperature
22° 29°
91%
Humidity
Very Humid

Weather

240 mm
Rainfall
1.2 m/s
Wind
Calm
1.9
UV Index
Very High
12.0h daylight

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