The law of treaties in Kenya received constitutional underpinning through Article 2(6) of the 2010 Constitution. A number of questions grow from this and may determine how treaty law and municipal law interact in the growing jurisprudence of international law before Kenyan courts. These include the extent to which the dualist approach has ended under Article 2(6) of the Constitution: do treaties still need legislation to transform them into binding law to be applied by the courts? Furthermore, where do treaties fit into the hierarchy of norms within Kenya? Finally, how do the courts negotiate conflicts with treaties that specifically claim a supra-constitutional position- such as the East African Community Treaty and treaties incorporating jus cogens norms? This paper addresses these questions by analysing the constitution, prior drafts and international law and practice. It also compares Kenya's constitutional system with various systems around the world to draw useful answers to these questions.