Trolltunga is a famous rock formation located in the Odda municipality of Hordaland county, western Norway. It is a stunning cliff that juts out horizontally from the mountain and offers breathtaking views of the surrounding landscapes.

Trolltunga, which translates to "Troll's Tongue," is situated about 700 meters above sea level and extends approximately 700 meters out from the mountain. It is a popular destination for hikers and tourists, and is considered one of the most beautiful and challenging hikes in Norway.

The hike to Trolltunga is approximately 22 kilometers round trip and takes about 10 to 12 hours to complete. The trail is strenuous and includes steep inclines, rocky terrain, and narrow paths, but the stunning views along the way make it worth the effort.

Visitors should be well-prepared for the hike, with appropriate footwear, plenty of food and water, and proper clothing for the weather. It's also important to take safety precautions and be aware of the risks associated with hiking in the mountains.