Where the river creates a natural border between Catalunya and Aragón.

[caption id="attachment_829" align="alignnone" width="648"]Finestras. La muralla (china). Finestras. La muralla (china).[/caption]

[caption id="attachment_828" align="alignnone" width="648"]Finestras. La muralla (china). Finestras. La muralla (china).[/caption]

[caption id="attachment_827" align="alignnone" width="648"]Finestras. La muralla (china). Finestras. La muralla (china).[/caption]

[caption id="attachment_826" align="alignnone" width="648"]Finestras. La muralla (china). Finestras. La muralla (china).[/caption]

[caption id="attachment_825" align="alignnone" width="648"]Ermita de San Marcos Ermita de San Marcos[/caption]

[caption id="attachment_824" align="alignnone" width="648"]Fet Fet[/caption]

[caption id="attachment_823" align="alignnone" width="648"]From Ermita de la Pertusa From Ermita de la Pertusa[/caption]

[caption id="attachment_822" align="alignnone" width="648"]From Ermita de la Pertusa From Ermita de la Pertusa[/caption]

[caption id="attachment_821" align="alignnone" width="648"]On the way to Ermita de la Pertusa On the way to Ermita de la Pertusa[/caption]

[caption id="attachment_820" align="alignnone" width="648"]From the middle of el Congost de Mont-rebei From the middle of el Congost de Mont-rebei[/caption]

[caption id="attachment_819" align="alignnone" width="648"]From the middle of el Congost de Mont-rebei From the middle of el Congost de Mont-rebei[/caption]

[caption id="attachment_817" align="alignnone" width="648"]Beginning of el Congost de Mont-rebei Beginning of el Congost de Mont-rebei[/caption]

[caption id="attachment_816" align="alignnone" width="648"]From the bridge. From the bridge.[/caption]

[caption id="attachment_814" align="alignnone" width="648"]Pasarelas Pasarelas[/caption]

[caption id="attachment_813" align="alignnone" width="648"]Congost de Mont-rebei from the aragonese side. Congost de Mont-rebei from the aragonese side.[/caption]

[caption id="attachment_812" align="alignnone" width="648"]Congost de Mont-rebei from the aragonese side. Congost de Mont-rebei from the aragonese side.[/caption]

[caption id="attachment_811" align="alignnone" width="648"]Congost de Mont-rebei from the aragonese side. Congost de Mont-rebei from the aragonese side.[/caption]

[caption id="attachment_810" align="alignnone" width="648"]Congost de Mont-rebei from the aragonese side. Congost de Mont-rebei from the aragonese side.[/caption]

[caption id="attachment_809" align="alignnone" width="648"]From the top of the Montsec From the top of the Montsec[/caption]

[caption id="attachment_808" align="alignnone" width="648"]From the top of the Montsec From the top of the Montsec[/caption]