REGION I (ILOCOS REGION), is home to three mountains.
Mt. Palemlem is considered to be the highest with an elevation of 1,271 meters above sea level which is ideal for hikers looking for moderate hikes.
If you are looking for a mild hike, there is one mountain to choose from, which is Mt. Balungao.
There is also Tirad Pass which is a good option for hikers searching for moderate hikes.