Answer
Yoga and meditation classes Nutritional workshops and cooking classes Spa treatments and massages Nature hikes and outdoor activities Mindfulness and stress management sessions Wellness Retreats can be approached by first deciding the location, time available, transport and level of activity that suits the trip. Use the options in the question as a starting point, then compare current provider information and recent local conditions before making a booking.
Practical Chiang Mai planning note: Look at the qualifications, safeguarding, facilities, language support and suitability for your own health or family needs. A pleasant online description is not a substitute for checking the current programme and speaking directly with the provider.