Tumotowa is a scientific journal published by the Regional Agency for Archaeological Research in North Sulawesi Province. The purpose of publishing this journal is to disseminate the results of archaeological research in the work area of the Regional Agency for Archaeological Research in North Sulawesi Province, as well as other scientific information about archaeology to archaeologists and the wider community. Tumotowa Volume 4 No. 2, December 2021 consists of 5 articles from the field of botanical archeology, industrial archeology, urban archeology, classical archeology, and underwater archeology. The editors would like to thank the authors and those who have assisted in the editing process until the publication of this journal. Hopefully this journal is useful for the development of archaeology and increasing public attention to the results of archaeological research. We expect constructive criticism and suggestions for the improvement and perfection of our journal.