You have the choice between,

Register using the online form below,


Download the paper registration form: REGISTRATION FORM , and send it back dated and signed to : NATURE EXTREME DEVELOPPEMENT 131, chemin du sablon - 73230 LA FECLAZ – France, attached with a copy of your passport, two identity photos, as well as your first payment.

A registration is validated only when it is accompanied by all the required documents, all or part of the regulations (depending on the date of registration), and it has been validated by us in the form of a travel contract. The documents prior to this registration (brochure, detailed technical data sheet, general conditions of sale) are available on our website

Online registration form

Travel information

Chosen Travel: "Bhutan Himalaya Secret Ultra-Trail"

Participant information

Civility (respect your first and last names as written on your passport)

Sex: SizeT-shirt :
If I travel in a group (2 or more people), first and last name of the group manager:

Contact information


Delivered the:par: Expire le


We advise you to take out a repatriation cancellation insurance in your personal capacity or through Nature Extrême Développement which offers a Global Assistance Policy. (see our general terms and conditions of sale on our website ).

Carbon Offset

Responsible tourism is one of the values of Nature Extrême Développement. Carbon offset through the GOODPLANET Foundation ( is offered for each flight.

Supplementary payments

Cost of registration insurance (212,62 € or 249,07 €) carbon offset (69 €)

Contact person in case of problem:

Payment method

I pay by

Transfers are made to the account: Nature Extrême Développement – Banque CAG – BIC AGRIFRPP881 – IBAN FR76 1810 6008 1092 5131 8205 047

Sports regulations

Art. 1: At the Kingdom of Happiness is open to competitors dismissed or not, men and women, aged 18 years and over.
Art. 2: Competitors are required to return the medical certificate that Nature Extrême Développement sent them upon confirmation of their registration, completed and signed by their doctor.
Art. 3: The Grand Route gives rise to a timing and classification. The small course is not timed and does not give rise to a classification. This small course is carried out at Free pace.
Art. 4: checkpoints and refueling points are set up regularly. Scoring is mandatory. It is imperative that a competitor who abandons must notify or have the nearest checkpoint notified.
Art. 5: Competitors undertake to show a state of mind that honors running and sport in general.
Art. 6: A competitor not included in the ranking during a stage will be credited for this stage of the last time increased by a penalty of one hour. It will thus be able to re-enter the general classification. This approach can only be applied once per competitor.
Art. 7: At the Kingdom of Happiness passes through a population that has its customs and traditions : we must respect them.

Responsible Tourism

Responsible tourism is one of the values of Nature Extrême Développement. For each flight, carbon offset is proposed through the GOODPLANET foundation ( Nature Extrême Développement also carries out other actions for Responsible Tourism, and is a member of the association ATR (act for Responsible Tourism). As such, we invite every traveller to read and sign voluntarily the traveller's ethical charter : / so that all together participate at our level to this goal.

Acceptance of travel contract and insurance

Acting on my behalf, I declare that I have taken cognizance of: