Moanalua Valley, a valley on the leeward side of the Koolau mountain range on the island of Oahu, Hawaii. It lies northwest of the Honolulu International Airport and East of Pearl Harbor. Over the crest of the Koolaus from Moanalua Valley is the town of Kaneohe.
The upper reaches of the valley are home to 14 federally listed or candidate endangered plants and three kinds of endangered tree snails. The Samuel M. Damon Estate which owns the valley is selling off its assets and dissolving. 
- $3 million allocated by the Hawaii State Legislature.
- $1.6 million from the U.S. Fish and Wildlife Service.
- potentially $900,000 from the United States Army.
At the lower end of Moanalua Valley are 22 acres of land known as Moanalua Gardens, also owned by the Damon Trust but not included in the above purchase.
In a Star-Bulletin article dated January 6, 2007, Rosemarie Bernardo reported:
- Moanalua Gardens will remain part of the legacy of the late Samuel Mills Damon to the people of Hawaii.
- His great-grandson John Philip "JP" Damon finalized the purchase of the 22-acre property for $5.05 million on Dec. 29.
- "The Gardens have always been a part of my life. I am honored to be taking on this responsibility to the community," said Damon, 42, in a written statement.
- Damon intends to keep the site open to the public, according to his attorney, Jim Wright. "It is Mr. Damon's hope that he continue his great-grandfather's legacy."
- About five to 10 employees will remain. The property, which is zoned as preservation land, has an annual maintenance cost estimated at $600,000. 
- Gomes, Andrew. Moanalua Valley's future still unclear Honolulu Advertiser, November 29, 2004.
- Star-Bulletin staff. $70M available for conservation -- Hawaii state agencies are eligible for grants to protect rare species Honolulu Star-Bulletin, December 26, 2005.
- Group wants Moanalua Valley parcel Honolulu Advertiser, January 24, 2006.
- Leone, Diana. State plans to conserve Moanalua land buy Honolulu Star-Bulletin, February 11, 2006.
- OHA may bid for Moanalua Valley Honolulu Advertiser, March 27, 2006.
- Moanalua Gardens
- Daysog, Rick. Future of Moanalua Gardens uncertain as estate dissolves Honolulu Advertiser, June 19, 2005.
- Pang, Gordon Y.K. OHA pursues Moanalua deal Honolulu Advertiser, May 5, 2006.
- Burlingame, Burl. How hula saved the gardens -- The Prince Lot Hula Festival saved Moanalua Gardens from being destroyed by a plan to run H-3 freeway through it Honolulu Star-Bulletin, July 7, 2006.
- Pang, Gordon Y.K. OHA's offer for gardens rejected Honolulu Advertiser, July 22, 2006.
- Star-Bulletin staff. Moanalua Gardens dealing with private buyer Honolulu Star-Bulletin, August 3, 2006.
- Bernardo, Rosemarie. Damon Scion purchases 22-acre Moanalua Gardens -- The royal adviser's great-grandson vows to keep it open to the public Honolulu Star-Bulletin, January 6, 2007.