It’s perfect weather for a day trip from Perth to WA’s best blue lake!☀️💧 Only a two-hour drive from Perth, near the historic country town of Collie, lies a stunning blue lake that’s a cute swimming hole and one of the most ‘grammable’ spots in the area. Black Diamond Lake was once an active mine site decommissioned in the 1950s, and has since transformed into a stunning pool. On sunny days, its waters shine with a vibrant azure blue, making it a must-see spot for nature lovers, photographers a