Availability and bookings at Airbnb. See also https://louiserogers.blog/ (scroll down to bottom paragraph and click the Fontainebleau link).
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Comfortable, newly renovated apartment with private terrace + shared panoramic roodf terrace, adjoining English-speaking owners' home, overlooking Seine and Fontainebleau forest, close to major bouldering sites. One double bedroom + 1 family room (1 double + 2 singles): accommodates up to 6. Full details on request. Family bathroom with walk-in shower + bath. Fully equipped laundry/utility room.