Diethelm Travel is an award-winning inbound tour operator servicing Asia. Our focus on delivery, heritage and local experience has enabled us to maintain a high level of service, which is reflected in all aspects of its operations.


custom tours


years experience


countries in Asia

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Diethelm offices worldwide

"Our tour was made more enjoyable with our driver/guide Ralph. He had a wealth of information! Though the trip was short, we can't choose what we enjoyed most."


Travel is fatal to prejudice, bigotry, and narrow-mindedness.

Mark Twain