 Adams Lake is roughly 72 kilometres ( 45 mi ) along its north @-@ south axis , and reaches a maximum depth of 457 metres ( 1 @,@ 499 ft ) , making it the 24th deepest lake in the world . The Lower Adams issues from the extreme southern end of the lake and travels 11 kilometres ( 6 @.@ 8 mi ) through a narrow valley . It empties into Shuswap Lake near the community of <unk> . From Adams Lake to the Shuswap , the Lower Adams drops 60 metres ( 200 ft ) in elevation . 
