This is truly a trip to look forward to! The tour is guided and consists of a hike in unspoiled mountains and off - track. We descend in a 100-meter vertical (50˚) shaft and walk through a tunnel to an opening in the mountain wall 800 meters above the ground! After this exciting experience we head for Austdalshytte (our mountain cabin). Along the way to the cabin, if so wished, we can do some easy climbing. Details - No experience needed for rappelling in tunnel shaft ( ca 52 degrees). Included - Experienced guide. - Packed lunch + drinks. - Transportation from Osa Kafeen to Viermyr and return - Safety equipment Difficulty and Safety Intermediate. Basic physical condition required. This tour is intended for all age groups Young children may participate, if accompanied by parents. Participation is your own responsibility. Availability of the ‘Panorama tunnel in the mountains’ excursion is dependent on weather and snow situation. Clothing & Equipment Recommended to wear wind/rainproof/warm clothing and sturdy and waterproof hiking boots.