This article focuses on the way in which olive-picking volunteers in Palestine become transformed into 'accidental pilgrims', and unconventional ones at that, by virtue of their participation in the olive harvest. Undergoing the difficulties of mobility that constrain the Palestinians and witnessing holy sites through the eyes and narratives of Palestinian guides, they are exposed to an alternative knowledge and affect regarding the Holy Land, unlike the experience offered by more conventional religious pilgrimage. Several vignettes reflect the diverse backgrounds of olive-picking pilgrims, who come from many different religions, class positions, and nationalities. Drawn together in a communitas of sorts through their shared commitment to learning about Palestine, they try to do what they can to further the Palestinian cause on their return home. Instead of a 'moral geography', they perceive a profoundly 'immoral geography' of occupation and oppression, which has a powerful transformative effect.