Peatland in Riau

Riau has about 3.86 million ha of peatland on the Ministry of Agriculture's peat map, 43% of its area.

Depth and function

The Ministry of Environment and Forestry's 1:50,000 peat ecosystem function map covers 1.19 million ha of peat here. 834.9 thousand ha is designated for protection, mostly because the peat is deeper than 3 metres, and 356.4 thousand ha for cultivation. The deepest peat on record here reaches 14 metres.

Class	Area	Share
Very shallow (< 0.5 m)	27.9 thousand ha	2.3%
Shallow (0.5–1 m)	45 thousand ha	3.8%
Moderate (1–2 m)	141.5 thousand ha	11.9%
Deep (2–3 m)	142 thousand ha	11.9%
Very deep (> 3 m)	834.9 thousand ha	70.1%

Peat hydrological units (KHG)

This area touches 23 peat hydrological units (KHG) with detailed boundaries. A KHG is one peat ecosystem between two rivers, or between a river and the sea, managed as a unit under Government Regulation 57/2016.

Fires on peat

Since 2012 the VIIRS satellites have recorded 277,483 heat detections on peat in this area. The worst year was 2014, with 104,599.

VIIRS heat detections on peat per year

Since 7 October 2026: 3 confirmed fires on peat, from six-sensor satellite monitoring that started that day.

No confirmed fire is active in this area right now.

Official hazard maps

KLHK forest and land fire hazard map (1:250,000)

Very high	5.09 million ha	56.7%
High	2.82 million ha	31.4%
Moderate	939 thousand ha	10.5%
Low	117.4 thousand ha	1.3%

Flood hazard map (1:50,000)

Moderate

16 ha

Regencies and cities

Name	Peat (Ministry of Agriculture)	Detailed peat (KLHK)
Indragiri Hilir	892 thousand ha	498 thousand ha
Pelalawan	695.9 thousand ha	97.4 thousand ha
Bengkalis	532.9 thousand ha	154.8 thousand ha
Rokan Hilir	435.4 thousand ha	–
Siak	433 thousand ha	–
Kepulauan Meranti	332 thousand ha	239.4 thousand ha
Indragiri Hulu	222.5 thousand ha	196.3 thousand ha
Kota Dumai	163 thousand ha	–
Kampar	99.6 thousand ha	5,472 ha
Rokan Hulu	53.3 thousand ha	–
Kota Pekanbaru	3,880 ha	–

Kuantan Singingi

Updated 16 October 2026.