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A boat full of volunteers in red shirts on the lake

The Inland Ocean Festival

Every June, Tonle Sap communities celebrate Cambodia’s "inland ocean".

Cambodia has an ocean in the middle of the country.

Tonle Sap is so large that it works like an inland ocean. The festival celebrates it: its villages, its culture and its nature. It also asks everyone to keep it clean.

Ocean Recovery Alliance and NGO2 BambooShoot started the festival in 2023. It is held in June, around World Ocean Day, as the lake begins to rise.

Volunteers in red shirts gather on the shore beside moored boats
Photo from an earlier community event. Festival photos to be added.

Festival by festival.

  1. 2023

    17 and 18 June · Kampong Phluk

    The first festival

    A river prayer, a parade of giant puppets built by volunteers, tree planting, and the launch of the clean family challenge.

  2. 2024

    Second edition

    Details to add

    To confirm

  3. 2025

    14 and 15 June · Kampong Phluk

    The third festival

    Organised with local and provincial authorities, with support from the Ministry of Tourism and the Ministry of Environment.

  4. 2026

    June · Kampong Phluk and Kampong Khleang

    The fourth festival

    Announced with a lantern parade in Kampong Khleang and a large "Entangled Propeller" sculpture. To confirm

Sources: Cambodianess, 14/06/23; Phnom Penh Post, 18/05/23; cpp.org.kh, 17/06/25; Ocean Recovery Alliance, Inland Ocean Festival.

Two days on the water's edge.

Culture

Ceremonies, parades and performances by the community.

Art

Giant puppets and lanterns made by volunteers and students.

Awareness

Activities about plastic and the lake, for all ages.

Clean-up

The festival is part of the Water Rising season of clean-ups.

Made together.

Ocean Recovery Alliance
Kampong Phluk community
Local and provincial authorities
SmartTo confirm
Small boats gather under a wooden walkway during a clean-up

Join the Next Festival

Volunteer, sponsor or bring a group.