With ViaMichelin you can book your accommodation for Underberg Extension 3 at no additional cost. Whether you want to book a stay in Underberg Extension 3 or simply stop off on your Underberg Extension 9 - Underberg Extension 3 route, you can book the accommodation of your choice (hotel, gîte, B&B, campsite, apartment). This free service is offered in partnership with Booking. You can also view and book any of the hotels selected from the MICHELIN Guide.