Hilton is offering a free night certificate after 4 stays or 10 nights. Go to this site and register for the promotion if you are interested.
The full details are out
Register to earn a free night certificate when you complete four stays or 10 nights now through March 31, 2010 at participating hotels and resorts.
Here is a list of non-participating hotels.
Members can redeem their free night in any of our 3,400 hotels worldwide, including the Waldorf Astoria Collection. Better still, you will continue to earn HHonors base points during this time period.
Top tier Hilton Honors hotel rooms are going for 50,000 points. If you can maximize this promotion with a few 4 1-night stays, you will essentially earn 12,500 bonus points per night (150,000 points / 12 nights (4 nights per week x 3 weeks)) when you earn 3 free nights. The best part is they are not restricted to category and are good for 1 year.
Terms and Conditions
Offer valid for HHonors members at participating hotels and is not transferable. You must register for the promotion at http://www.hiltonhhonors.com/PYO/Login_2010Q1.aspx?lang=EN&offer=PYO2010Q1&cid=EM,HN,ADHOC,Q1LP0110&wt.mc_id=EIEMQ1LP0110 prior to check-in. You must complete four separate stays or 10 nights between now and March 31, 2010. Ten nights need not be consecutive. Qualifying stays must be completed between now and March 31, 2010. Members must check-in and check-out during the offer period. Stays must be consumed by March 31 2010. Your free night certificate will be delivered within six weeks of completion of the required stays. Free night certificate is valid for one year after date of issuance at hotels within the Hilton Worldwide portfolio. Free night certificate applies to one night’s standard room rate and corresponding taxes and does not apply to gratuities, resort fees and incidental charges. Advance reservation required to redeem certificate and is subject to availability. Limit three free night certificates per member during promotional period, even if member stays more than 12 times or 30 nights. Offer cannot be combined with other select offers.When redeeming a certificate for an advanced reservation, or for other reservation inquires please contact Hilton Reservations and Customer Care. Hilton HHonors™ membership, earning of Points & Miles™, and redemption of points are subject to HHonors Terms and Conditions.