Apart from being known as the final site of the infamous Bataan Death March, it is also known for Mount Pinatubo treks, where thousands of mountaineers and visitors go.

Capas as all other towns in Tarlac province was a part of vast wilderness inhabited by the Abelling tribes known as Aetas.

The history of Capas dates back in the late 16th century when immigrants from Pampanga, Zambales, Pangasinan and the Ilocos region flock into the settlements.

Capas became a pueblo (town) in 1710 beginning as a sleepy settlement at a place between Cutcut River in Sitio Pagbatuan and Gudya (present site) founded by Kapitan Mariano Capiendo.

Descendants of the early inhabitants still hold to this day such family names as Capiendo, Capuno, Capitulo, Capule, Capunpun, Cayabyab, Castañeda and Catacutan.

In the 1850s, Capas was a part of the western Pampanga Commandancia Militar de Tarlac which includes the town of Bamban, Concepcion, Victoria, O’Donnell, Murcia, Moriones, Florida Blanca, Porac, Mabalacat, and Magalang.

It was once a concentration camp subsequently serving as the burial grounds for thousands of Filipino and American soldiers who perished during World War II.

New Clark City ground broke in 2016 and is envisioned as a Business Contingency Hub of the National Government where it serves as a backup office should Metro Manila experience emergencies such as earthquakes, floods, and other calamities.

It is located in the BCDA reservation in Capas that used to be a test site of military aircraft when Clark Air Base was under control of the United States.

It is bordered by San Jose on the north, Tarlac City on the north-east, Concepcion on the east, Botolan, Zambales, on the west and south-west and Bamban on the rest of the southern parts.

Santo Rosario is also the location of Capas Public Cemetery or Cabu Santu, the original Capas cemetery was once located where the entrance way to Small Tokyo near the Barangay Hall, as well as the San Nicolas De Tolentino Parish which is the town church that stands next to the Dominican College of Tarlac.

Barangay Aranguren (aling goring) is home to Poet Laureate Renato Alzadon, who is also known as the current "Ari ning Parnasong Capampangan" or "King of Capampangan Literature", it is also the location of Capas National Shrine, Sitio Kasulukan, Calumpit, Dalang Baka, Aquino Page Village (Kamatis) and Bullhorn.

Mount Canouman is the largest in terms of surface area, known as the mountain of Spirits, it is a dangerous 10-hour walk from Sitio Salangui.

The feast day of San Nicolas De Tolentino is held every 10 September; the origin of the name Capas is disputed but has two prominent sources, it is said that town was either named after the edible plant called Capas-Capas or was taken from the first three letters of the surnames Capitulo, Capunfuerza, Capunpue, Capili, Capongga, Capunpun, Capati, Capil and Capuno, etc.

The municipality is home to the Capas National Shrine, an obelisk with a central bell, which was built and is maintained by the Philippine government as a memorial to the Filipino and American soldiers who died in Camp O'Donnell at Barangay Aranguren.

When the raid at Capas on 1945, combined US and Philippine Commonwealth ground troops supporting local recognized guerrillas freed by few thousands of Filipino and American POW's on Bataan Death March and attacking Japanese forces.

It was once a concentration camp subsequently serving as the burial grounds for thousands of Filipino and American soldiers who perished during World War II.

The site was the ultimate destination point of the infamous Death March involving Filipino and American soldiers who surrendered in Bataan on April 9, 1942.