What geological feature characterizes the coastal topography of new Zealand's milford sound?

Milford Sound is characterized by its dramatic fjord topography, formed by glacial activity during the last Ice Age. The fjord features steep, towering cliffs, deep waters, and numerous waterfalls cascading from the surrounding mountains. This unique geological feature results from the combination of tectonic uplift and erosion, creating a stunning landscape that attracts visitors from around the world. The area's geology also includes ancient sedimentary rocks, adding to its geological significance.