This report describes the third exploration for chili pepper and cucurbitaceous vegetable genetic resources in eastern Nepal, jointly conducted by the National Agriculture and Food Research Organization (NARO) of Japan and the Nepal Agricultural Research Council (NARC). We conducted a field survey in eastern Nepal from the 14th to 24th of February 2018. We collected a total of 66 samples including; Cucumis sativus (27), Cucurbita maxima (3), C. moschata (5), C. ficifolia (1), Luffa acutangula (1), Capsicum annuum (13) C. frutescens (2) and Capsicum sp. (14). The collected seed samples were stored as seeds at the National Agriculture Genetic Resources Center, NARC and will be transferred to the Genetic Resources Center, NARO.