Clanwilliam Dam is a large earth-fill dam located on the Olifants River in the Western Cape province of South Africa. Completed in 1972, it serves multiple purposes, including irrigation, water supply, and flood control. The dam creates the Clanwilliam Reservoir, which is a vital water source for local agriculture and communities. The dam is situated near the town of Clanwilliam, known for its scenic beauty and rich cultural heritage. It is also a popular spot for recreational activities such as fishing, boating, and birdwatching, attracting both locals and tourists to the area.