This next use of por occurs with movement. You will often see this use of por alongside verbs of movement such as ‘going’, ‘walking’ or ‘entering’.

English: Let’s go through the park. 

Español: Vamos a pasar por el parque.

English: You have to enter through there.

Español: Tienes que entrar por allí.

English: I run along the river every day.

Español: Corro por el río todos los días.