Hippo's Yawn is a large rock formation located in Griffith Park, Los Angeles, California. It is known for its unique shape, resembling a yawning hippopotamus. The formation is a popular spot for hikers and nature enthusiasts, offering scenic views of the surrounding area. The rock formation is part of the Hollywood Hills and is easily accessible via various trails. Visitors often take photos and enjoy the natural beauty of the landscape. The name "Hippo's Yawn" reflects the playful resemblance of the rock to a hippo's open mouth, making it a fun landmark for locals and tourists alike.