Tomales Bay Triptych Posted on December 27, 2016 by Coastodian Reply Click the words above “Tomales Bay Triptych” to see this entire post. . Click on an image to see a larger version. Oyster workers tend to bags of oysters growing on the mudflats of Tomales Bay near the mouth of Walker Creek. ©Richard James . A lone photographer at work on the mudflats ©Richard James . Sunlight refracted by raindrops, otherwise known as a rainbow over the hills east of Tomales Bay ©Richard James .