The army probably crossed Motion_directional via the pass at Somport in order to enter Gascony through the allied territory of Béarn .

According to the `` Chronica '' , `` during the time when Alfonso was at war with the rebel Hostile_encounter nobles ... the King of Aragon had mobilised sizeable armies of knights and infantrymen ... had traveled Traveling then beyond his own borders to Gascony [ where ] he surrounded Surrounding the city of Bayonne which is located near the Garonne River . ''