Fiesta of Piedras Blancas 2019 from July 5 to July 8. Past days. Saturday, June 29 Friday, July 5 Saturday, July 6 Sunday, July 7 Monday, July 8 You might be also interested in: Fiesta of Fitoria 2019 - Fitoria (Leon) - 26 Kms. Fiesta of Sueros 2019 - Sueros - 41 Kms.