Panna Heritage Boutique Hotel (De Rachamanka Hotel) Chiang Mai Chiang Mai Thailand. Star rating 3. Average rating 7.9 off 698 reviews. De Rachamanka Hotel is perfectly located for both business and leisure guests in Chiang Mai. Both business travelers and tourists can enjoy the hotel’s facilities and services. Service-minded staff will welcome and guide you at the De Rachamanka Hotel. Designed for comfort, selected guestrooms offer television LCD/plasma screen, internet access wireless, internet access wireless (complimentary), non smoking rooms, air conditioning to ensure a restful night. The hotel’s peaceful atmosphere extends to its recreational facilities which include garden. No matter what your reasons are for visiting Chiang Mai, De Rachamanka Hotel will make you feel instantly at home..