What is the name of a hard Swiss cheese?

There are many hard Swiss cheeses, but some of the most well-known include:

* Emmental: This is the classic Swiss cheese with large holes and a nutty flavor.

* Gruyère: A semi-hard cheese with a mild, nutty flavor and a smooth, creamy texture.

* Appenzeller: A hard cheese with a distinct, pungent flavor and a slightly spicy aroma.

* Sbrinz: A very hard, aged cheese with a sharp, nutty flavor and a crumbly texture.

These are just a few examples, and there are many other delicious hard Swiss cheeses to discover.