After a self-described “triumphant” appearance at Bonnaroo last month, the Mars Volta will embark on a US tour in support of Octahedron, an album released on… June 23. The following are confirmed dates; supposedly, more tour dates be announced once they are confirmed.

Tour dates:

08.29.09 – San Francisco CA @ Outside Lands Festival
08.30.09 – Los Angeles CA @ Palladium
09.01.09 – Los Angeles CA @ Palladium
09.02.09 – Santa Barbara CA @ Santa Barbara Bowl
09.04.09 – San Diego CA @ Soma
09.05.09 – Phoenix AZ @ Dodge Theater
09.08.09 – St. Louis MO @ The Pageant
09.10.09 – Minneapolis MN @ First Avenue
09.11.09 – Chicago IL @ Congress Theater
09.13.09 – Denver CO @ Monolith Festival
09.16.09 – Dallas TX @ Palladium
09.17.09 – Houston TX @ Verizon Wireless Amphitheater
09.19.09 – San Antonio TX @ Municipal Theater