A bill to amend the Act of June 8, 1906, to require certain procedures for designating national monuments, and for other purposes.

National Monument Designation Transparency and Accountability Act of 2011 - Amends the Antiquities Act of 1906 to require land reserved as part of a national monument to be confined to the smallest area necessary to ensure the proper care and management of the objects to be protected by the monument. Sets forth requirements for the designation of national monuments under the Act.