Western Rift Valley Table of Contents Introduction References & Edit History Images Discover Why Are Some Time Zones 30 Minutes Off Instead of an Hour? 11 Egyptian Gods and Goddesses 6 Animals That Eat Their Mates 15 Nelson Mandela Quotes Timeline of the American Civil Rights Movement Do Lemmings Really Commit Mass Suicide? 7 Puzzling Plane Disappearances Contents Western Rift Valley rift, Africa Ask the Chatbot a Question More Actions Print Cite verifiedCite While every effort has been made to follow citation style rules, there may be some discrepancies. Please refer to the appropriate style manual or other sources if you have any questions. Select Citation Style MLA APA Chicago Manual of Style Copy Citation Share Share Share to social media Facebook X URL https://www.britannica.com/place/Western-Rift-Valley Feedback External Websites Feedback Corrections? Updates? Omissions? Let us know if you have suggestions to improve this article (requires login). Feedback Type Select a type (Required) Factual Correction Spelling/Grammar Correction Link Correction Additional Information Other Your Feedback Submit Feedback Thank you for your feedback Our editors will review what you’ve submitted and determine whether to revise the article. External Websites Biodiversity Heritage Library - The Age of the Rift Valley. Ecology and Society - The importance of geodiversity in understanding and conserving the Western Rift Valley Corridor AfricaMuseum - The Wester Rift branch Woods Hole Sea Grant Institution - Tectonic development of the western branch of the East African rift system Ask the Chatbot a Question Written and fact-checked by The Editors of Encyclopaedia Britannica Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They write new content and verify and edit content received from contributors. The Editors of Encyclopaedia Britannica Article History Table of Contents Table of Contents Ask the Chatbot Western Rift Valley, (Africa), branch of the East African Rift System (q.v.).