Lower Thetis Lake is a freshwater lake located in British Columbia, Canada. It is part of the Greater Victoria area and is surrounded by lush forests and scenic trails, making it a popular spot for outdoor activities such as hiking, swimming, and picnicking. The lake is known for its clear waters and diverse wildlife, including various bird species and fish. It is also part of the Thetis Lake Regional Park, which offers recreational facilities and access to both Lower and Upper Thetis Lakes, providing visitors with opportunities to enjoy nature and engage in various water sports.