📜 Glacial boulder inscribed with ancient tribal petroglyphs. 🔍 Believed to be carved by the native Suquamish tribe between 1,000 BC and 500 CE. # Why Go 🗿 Explore mysterious ancient rock carvings 💡 Spark imagination about ancient cultures 🏞️ Discover a unique historical landmark on Bainbridge Island 🌊 Experience a unique natural artifact submerged at high tide 🤔 Ponder its unknown purpose as a boundary marker or calendar # Why Avoid ⚠️ Petroglyphs may be concealed by barnacles 🌊 Submerged during high tide, check tide charts # 📍 Tips Located at Agate Point, approximately 100 feet from the shore. Also known as Figurehead Rock.