I should also mention that the the Latin Mass Society's annual walking pilgrimage to Walsingham is also open for booking. The dates for this are 26th to 30th August. See here for information and registration.
Nothing will make you feel like a human being and a Catholic again quite like participation in a three-day walking pilgrimage!
Here is more information about the Spanish pilgrimage, which has the support of Una Voce Seville.
The aim of the pilgrimage is the sanctification of the soul through the graces asked to Our Lord, through the intercession of the Blessed Virgin Mary, by the offering of prayers, sacrifices and mortifications during three days. During these days of pilgrimage we especially commend our Homeland and the Holy Father.
NSC-E seeks to contribute to the restoration of the spirit of Christendom – according to our possibilities and always with divine help – which has given the Church and the world so many saints, heroes and defenders of the Faith. We are talking about Christian social order, which is only possible if we commit ourselves to the restoration of everything in Christ, beginning with those of us who are on pilgrimage, our families, and the various spheres of society in which we find ourselves.
