In 1963, M.H. Abrams suggested that the ultimate source of Wordsworth's poetry is the Bible, and, in particular, the New Testament. This thesis, however, demonstrates the importance of the Old Testament and offers the first extended analysis of Wordsworth's use of Old Testament rhetoric. It examines both his affectionate perceptions of the natural world, and the Biblical recollections that saturate his writing. The purpose is to align two critical discourses - on Scripture and topography - and in doing so, situate Wordsworth's sense of himself as a poet-prophet in both Britain and America. The four chapters are structured topographically (Dwelling, Vales, Mountains, Rivers), and organised around a phenomenological experience of lived space, as expressed in key poems. Close analysis of Wordsworth's poetic language from Descriptive Sketches to Yarrow Revisited reveals the influence of the Bible (and the recent analysis of sacred Hebrew poetry undertaken by Lowth), while the theories of Heidegger and Bachelard provide a conceptual approach to Wordsworth's investment in nature. The epilogue opens questions of Wordsworth's reception in America by exploring the awareness of cultural and physical geography and sense of Wordsworth's prophetic ministry amongst his heirs. The thesis concludes that Wordsworth's extensive recourse to scriptural language and the physical landscape strengthened his claim to be a Prophet of Nature. His poetry self-consciously adopted the universal 'language of men' - that of the King James Bible.