The website is http://www.laportebleueamboise.fr/
At the moment Chantalle says she is booked up six months in advance. We came here on the recommendation of a friend and were lucky to get a two night window - the only time available for several months - we would have stayed longer if we could.
We stayed in 'the loft' which was lovely. It has great views of the Loire river, the Chateau Amboise and the bridge. It is very comfortable and spacious with fully equipped kitchen and access to laundry facilities. The weekly rate is very reasonable, 440 Euro weekly for mid-season, but you do need to plan ahead as stated above.