One of Ethiopia's federal states, Oromia, is home to a wide variety of mountainous terrains, each with its own distinct features and qualities. Here are five of Oromia's most notable mountains:

1. Mount Chilalo: The tallest mountain in Oromia, Mount Chilalo, is found in Oromia's Arsi zone and rises to a height of 4,377 meters. The mountain is well-known for its picturesque appearance and is a well-liked hiking and trekking destination. The mountain is renowned for its high biodiversity as well, with a range of different plant and animal species living nearby.

2. Mount Wuchacha: Another well-liked site for hikers and trekkers is Mount Wuchacha, which is situated in Oromia's West Hararghe region. The mountain, which rises to a height of 3,906 meters, is renowned for its visual beauty and diverse, unusual flora and fauna.

3. Mount Tulluu: Mount Tulluu is a volcanic mountain in the East Hararghe region of Oromia that rises to a height of 3,726 meters. The mountain is renowned for both its diverse biodiversity, which includes rare kinds of plants and animals, and its distinctive sceneries, which include lava fields and volcanic craters.