A Bhutan visa is almost certainly required for a trip to Bhutan. Except for a few neighbouring nations, most visitors to Bhutan will require a visa. Bhutan's government is working to preserve the country's cultural heritage by implementing a "High Value, Low Impact Tourism" policy. Bhutan Inbound Tour may help you in this regard. For more info visit here : https://www.bhutaninbound.com/bhutan-visa