Lake Josephine 24 Hours Lake Josephine, Myalup WA 6220, AustraliaGoogle reviews Lake Josephine, located within the Myalup town site, is a small, picturesque lake that puts on an impressive display of pink in winter when the Red Samphire blooms. This natural wonder forms part of the Yalgorup National Park. There is a small trail on the western boundary of the lake. Note: No motorised activities are allowed on Lake Josephine. Image Gallery Lake Josephine. Credit: Memories of Harvey Lake Josephine. Credit: Memories of Harvey Amenities Family-friendly Lake Josephine Lake Josephine, Myalup WA 6220 Open 24 Hours Yalgorup National Park 100 Acre Wood Back to Operators