The development of national strategic tourism areas such as Lake Toba requires an integrated and sustainability-driven approach. However, the region faces significant challenges, including fragmented spatial planning, escalating ecological pressures, and limited involvement of local communities in tourism governance. This study proposes strategies for optimizing spatial planning through sustainability-oriented and holistic community empowerment frameworks. A mixed-methods approach was employed, integrating GIS-based spatial analysis, questionnaire surveys of residents and tourists, social-ecological system (SES) analysis, SWOT, the Analytical Hierarchy Process (AHP), Participatory Rural Appraisal (PRA), and Triple Bottom Line (TBL) evaluation. Results indicate severe land-use fragmentation and intense pressure on water quality and green spaces, particularly in key tourism nodes such as Parapat, Tuk-Tuk (Samosir), and Balige. AHP prioritization identifies ecological integrity as the highest strategic priority (weight = 0.36), followed by socio-cultural considerations (0.26) and infrastructure development (0.18). Although community participation in spatial management is currently moderate, it requires systematic strengthening to ensure long-term socio-ecological resilience. GIS-based zoning delineates high-risk environmental zones and reveals opportunities for expanding community-based ecotourism. The study underscores the imperative of integrating environmental conservation, inclusive local engagement, and adaptive spatial planning to inform sustainable tourism policy and development in the Lake Toba region. Keywords: Lake Toba, sustainable spatial planning, community empowerment, GIS analysis, sustainable tourism, environmental management.
Muhammad Ade Kurnia Harahap (Wed,) studied this question.
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