Please answer the following question: Mason Lake (King County) - Mason Lake is a naturally occurring mountain lake located between Mount Defiance and Bandera Mountain near Snoqualmie Pass King County Washington. Accessible only by hike via the 3.4 mile-long Mason Lake Trail (also known as Ira Spring Memorial Trail) Mason Lake is at an elevation of 4200 feet Given a choice of categories company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, the text refers to which one?
A:
Natural Place