Leadership Welcome (August 2026)

Uniting cross-regional efforts for a sustainable future of ecology and community well-being. Welcome to the official portal of the Three Landscapes. As we enter August 2026, amidst the spirit of independence, global challenges regarding climate change and environmental sustainability demand closer, decisive action

Representing the shared commitment of the local governments of South Tapanuli, Padang Sidempuan City , and Mandailing Natal, we are strengthening our strategic synergy to manage this region in an integrated manner. Nature transcends administrative boundaries. The protection of ecosystems, biodiversity conservation, and the empowerment of local communities across these three landscapes can only be achieved through strong and sustainable cooperation.

Together, let us champion and realize a harmonious governance of this region for present and future generations.

  •  H. Gus Irawan Pasaribu, SE.Ak, MM, CA— Mr. Regent  of South Tapanuli Regency
  •  Dr H Letnan Dalimunthe, S.KM, M.Kes — Mr Mayor of Padang Sidempuan City
  •  H. Saifullah Nasution, SH, MM — Mr Regent of Mandailing Natal

Regent Testimony
H Gus Irawan Pasaribu, SE.Ak, MM, CA
Mr. Regent of South Tapanuli Regency

“The Government of South Tapanuli is very familiar with NGO SRI in community economic development through Coffee Agroforestry and Tree Planting along riverbanks. We collaborated and synergized in handling the severe floods and landslides last year in 2025; to NGO SRI, please keep up your tangible work”

Mayor Testimony
Dr. Letnan Dalimunthe, SKM, M.Kes
Mr. Mayor of Padang Sidempuan City

“We express our appreciation to NGO SRI for always collaborating. We have directly and indirectly felt the benefits of conservation in the upstream area”

Regent Testimony
H Saifullah Nasution, SH, MM
Mr. Regent of Mandailing Natal Regency

​”We have long known the Sumatra Rainforest Institute (SRI) as a truly reliable partner in nature conservation, with a standout dedication to empowering farmer cooperatives and advancing sustainable agroforestry”.