WordNet (r) 3.0 (2006):

dude ranch
    n 1: a holiday resort offering ranch activities (riding and
         camping)

Moby Thesaurus II by Grady Ward, 1.0:

49 Moby Thesaurus words for "dude ranch":
   arable land, barnyard, barton, cattle ranch, chicken farm,
   collective farm, cotton plantation, croft, dairy farm, demesne,
   demesne farm, dry farm, factory farm, fallow, farm, farmery,
   farmhold, farmland, farmplace, farmstead, farmyard, fruit farm,
   fur farm, grain farm, grange, grassland, hacienda, homecroft,
   homefarm, homestead, kibbutz, kolkhoz, location, mains, manor farm,
   orchard, pasture, pen, plantation, poultry farm, ranch, rancheria,
   rancho, sheep farm, station, steading, stock farm, toft,
   truck farm