Waiheʻe Valley

The Waiheʻe Valley Restoration Project is a collaborative effort of the Honolulu Board of Water Supply, KMWP, and other community organizations.

This project restores a section of invaded mesic forest and creates a diverse native Hawaiian ecosystem. Besides replanting a myriad of native plants, it showcases pig-proof fencing examples and non-chemical approaches to control invasive species. It mimics materials and techniques used in large-scale watershed fencing projects. 

  • Time Commitment: 4-5 hours 

  • Activity Level: Easy - Moderate 

  • Climate: Windward mesic forest. Climate is humid with variable rains and trade winds. 

  • Moʻolelo sharing of Waiheʻe. 

  • Planting native seedlings in the restoration area. 

  • Removing targeted invasive plants. 

  • Moving and breaking down mulch piles. 

  • Optional hike to Hāmama Falls after the workday. 

  • Optional collaboration with BWS for the water tunnel tour. 

Volunteers will help to control weeds in designated areas to prep for out planting using hand tools. Some out planting may be done depending on the availability of plants. 

Through continued support from the surrounding community and volunteers, KMWP is working to fulfill BWS’ long-term vision for the area to serve as a medium for environmental education, and to provide a mechanism for visitors hiking to Hāmama Falls to give back to the valley through restoration work. 

Waiheʻe Native Forest Restoration

Learn about the restoration efforts in Kahalu'u with the collaborative planting with KMWP and Honolulu Board of Water Supply.

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