Abstract: A rotor blade of a wind energy plant having a main component of the blade and a blade tip, whereby the blade tip is releasably attached to the main component by means of a connection device and the connection device has a tip section attached to the blade tip and a base section attached to the main component of the blade to receive the tip section, whereby the tip section has at least one fastener that extends to the base section for attaching the tip section to the base section, and the fastener for performing the attachment can be actuated through an opening in the surface of the blade tip.