冬游黄石公园，园内住宿2晚，是否要在Mammoth和

建议参考下http://cn.toursforfun.com/yellowstone-tours/vacation-packages/?gclid=CIPfkqXI5LsCFW964godSQwAtA#pp-5/?utm_source=google_zh&utm_medium=sem&utm_term=woodbury_12_sjmgxhaly