Title: Mac OSX 10.12 Sierra Background
Resolution: 3840 x 2160

Mac OS X Sierra (version 10.12) was released by Apple in September 2016. The default desktop background for macOS Sierra is an image of the Sierra Nevada mountain range. This image aligns with Apple’s tradition of featuring various stunning landscapes as default wallpapers for their operating systems.

The Sierra wallpaper captures the rugged beauty of the Sierra Nevada mountains, highlighting their peaks and valleys. The image aims to evoke a sense of adventure and the vast landscapes that the Sierra Nevada region is known for.