Do I have to tip the guide & driver? If so, how much should I tip them?
Most visitors will tip the guide & driver if they act appropriately. Here's some information for you to reference:
If you travel alone or in a group of less than 5 people: $20-$10/per person/per day to your tour guide. $10-$5/per person/per day to the driver.
If you travel in a group of between 5-10 people: $10-$5 to per person/per day your guide. $5/per person/per day to the driver.
If you travel in a group of more than 10: $5//per person/per day to your guide. $3/per person/per day to the driver