Floracion Aoyama
4-17-58 Minamiaoyama Minatoku
03-3403-1554
The rates change regularly, and currently sit at between 11303 to 12458 yen a night for a single room, with double rooms costing up to 21450 yen
A conveniently placed, if somewhat expensive hotel, it can be found by the Omotesando station in a quiet spot with a good view of the park. It features both a restaurant of reasonable quality and a spa - expect to pay through the nose, though.
Japan Youth Hostels Yoyogi
Olympic Center, 3-1, Kamizono-cho, Yoyogi
03-3467-9163