It will be the Hollywood band's third run in Europe in less than 12 months with plans to come back in April 2015.
The Ævolution European Tour will see them visit seven countries, starting in Italy on July 4th, before moving on to Germany, Czech Republic, Slovakia, Poland, the Netherlands and the UK with a finale at London's O2 Academy.
They will be supported by LA band The Ambivalent.
The Maension's singer and guitarist Mark Maension said: “We are now well organized in regards to touring Europe and we have a strong fan base that we are excited to get back to“.
In support of the tour - followed by a four-week jaunt around the US - the band have released the single Retrospection. For more information, visit www.themaension.com