The thesis of this paper is that researchers working in interpretive traditions need to address three central issues: philosophy, rigour and representation. This paper discusses the process of an hermeneutic inquiry as a research methodology used in seeking to understand the experiences of older patients admitted to an acute hospital. The methodology includes the philosophical framework and assumptions underpinning the research. Philosophical hermeneutics guides the inquiry as a reflection of the research process. Three issues concerning legitimation of the hermeneutic research process arise: the philosophical underpinnings of the methodology, representation, or the participation of the researcher in making data, and rigour, or the way in which trustworthiness of hermeneutic research can be established. I recommend that Gadamer's primacy of application to the understanding of texts can also be applied to understanding of health environments. I conclude that Gadamer's post-modern sensibility regarding text and the framework of Guba & Lincoln's fourth generation evaluation are compatible within a hermeneutic inquiry.