This study was conducted to assess the challenges and prospects of large scale agricultural investment on investors in Amhara National Regional State particularly in West Armachiho Woreda. Even though various studies’ have been conducted with regarding investment there is no research conducted that touches the issues with regard to challenges and prospects of large scale agriculture investment on investors in the study area, as far as my knowledge is concerned. From the common understanding and experience, in the study area, there are many challenges of large scale agricultural investment on investors. So this research is conducted to systematically study these challenges and to come up with actionable recommendations the study employed a cross sectional research design both qualitative and quantitative data were used in this study. Simple random sampling technique has been applied. In light of this, both primary and secondary data were used. Primary data was obtained through questionnaire, key informant interviews and focus group discussions the survey questions were collected from a sample of 88 investors interviews were also held with 16 investors and 4 Woreda land administration experts and one focus group dissociation including 7 persons in front of land administration office. Secondary data was obtained from published materials, books, journals and Woreda annual profile as well as investor proposal. Data collected by survey questionnaires was entered SPSS version 20 and Excel for statistical analysis the general finding of this research that large scale agricultural investment projects have both advantages and disadvantages. The major advantages of large scale agricultural investment were job opportunity it offered to local people, while its negative effects on local people in the study area are deforestation, diversion of river, destruction of wild life habitat and land eviction that increase the hardship on local people. Besides, there are a lot of governance problems in governing Agricultural Investments of the area.