Thjere is a really good trail to the lake..all flat ..you cxan hike to the base of th lake in 2 to 3 hrs ..you could bike there in an hour or less.. but from the base ..you need to hike up the side of a mountain..20 minutes to an hour depending on the shape your in..the lake is located in a mountain bowl and very high alitude..
Also you must ford the highwood river at the start ..