The emergence of participatory development planning is expected to enable the community to analyze and monitor development in their area. One of the characteristics of a good governance system is a government that can involve all people, is transparent and responsible, effective and fair. Development planning which is ideally expected to be able to realize regional characteristics does not materialize in North Barito Regency. This development planning is not sensitive to regional variations so that the solutions offered are not able to answer regional problems. This study aims to analyze the optimization of Participatory Planning by BAPPEDA through the Development Planning Deliberation (Musrembang) in North Barito Regency. The research method used is qualitative research. Data were collected through field observations, interviews with relevant informants, and field documentation. The data were analyzed descriptively. It was concluded that the Bappeda of North Barito Regency in the participatory development planning process through the musrembang in North Barito Regency in 2019 was not optimal.