Peatland in Mandailing Natal
Mandailing Natal has about 21.3 thousand ha of peatland on the Ministry of Agriculture's peat map, 3.3% of its area.
Depth and function
The Ministry of Environment and Forestry's 1:50,000 peat ecosystem function map covers 3,040 ha of peat here. 621 ha is designated for protection, mostly because the peat is deeper than 3 metres, and 2,419 ha for cultivation. The deepest peat on record here reaches 5 metres.
| Class | Area | Share |
|---|---|---|
| Shallow (0.5–1 m) | 1,116 ha | 36.7% |
| Moderate (1–2 m) | 822 ha | 27% |
| Deep (2–3 m) | 482 ha | 15.9% |
| Very deep (> 3 m) | 621 ha | 20.4% |
Peat hydrological units (KHG)
This area touches 3 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 1,079 heat detections on peat in this area. The worst year was 2014, with 892.
Since 7 October 2026: 0 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 | 28.6 thousand ha | 4.4% |
| High | 241.8 thousand ha | 37% |
| Moderate | 227.6 thousand ha | 34.8% |
| Low | 155 thousand ha | 23.7% |
Flood hazard map (1:50,000)
| High | 291 ha | 0% |
| Moderate | 1,204 ha | 0.2% |
| Low | 1 ha | 0% |
Updated 16 October 2026.