The Bali Observer

Monday, 12 October 2026

Bali Cleanup at Pesanggaran Mangrove Forest

A cleanup at Denpasar’s Pesanggaran mangrove forest took place on Oct. 9, 2026, as part of a Bali-wide plastic-waste effort. The activity also highlighted links between waste, waterways, mangroves and potential flooding.

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Editor: Mursyid Sonsang

· 2 min read

Open the larger photo. Illustration: Aerial view of green coastal forest meeting breaking waves on a rocky shoreline.
Illustration: Aerial view of green coastal forest meeting breaking waves on a rocky shoreline. · Photo: Tom Fisk / Pexels

Denpasar — A Bali-wide plastic-waste cleanup at the Pesanggaran mangrove forest in Denpasar took place on Oct. 9, 2026.

The cleanup was organized by the Bali Provincial Government with cross-sector participation. It formed part of a provincewide effort across Bali’s regencies and cities to raise awareness of environmental cleanliness and conservation, and took place one day before Tumpek Wayang.

A separate Bali Post report said the provincial cleanup was also intended to mitigate potential flooding linked to plastic waste accumulating in drains, waterways and rivers.

Why it matters to residents and visitors

For foreign residents and visitors, the operation underscores that waste discarded inland can affect coastal mangrove areas and the flow of water through urban drainage systems. The Pesanggaran site is in Denpasar, but the cleanup was presented as part of a Bali-wide effort rather than an isolated local activity.

The cleanup also connects environmental protection with flood prevention. Plastic waste in drainage channels and rivers can obstruct water flow, while mangrove areas receive waste carried through connected waterways. The provincial government used the activity to encourage participation in keeping public waterways and coastal ecosystems clean.

The reports did not state a further cleanup schedule or announce a new enforcement measure. They described the Oct. 9 operation as a coordinated environmental activity held ahead of Tumpek Wayang and as part of broader efforts to address plastic waste across Bali.

Sources

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