Kimpton’s Hotel Marlowe in Cambridge hosts a “Bark & Bath” charity dog wash on Saturday from 10 a.m. to 2 p.m. Hundreds of dogs will be washed by Kimpton employees while enjoying puppy snow cones. Cleaning services provided by Laundromutt and snow cones by Polka Dog Bakery. Washes are $15 and proceeds benefit the Boston chapter of the Trust for Public Land. Call the hotel at 617-868-8000 for details or see the Laundromutt website.