Crater Lake, Cradle Mountain-Lake St. Clair National Park, Tasmania 

What struck me first was the vivid, electric blue contrasting sharply against the pale quartzite, sitting between two alpine forests like a bright glass marble dropped in the thick grass, left alone to catch the alpine sun.

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GEOLOGICAL PROFILE: A glacial lake surrounded by steep slopes of Precambrian sedimentary rock, capped by Jurassic dolerite. 

DATA SET USED: 1m Digital Elevation Models (Cradle Mountain and Cradle Valley 2019 datasets)