Two kinds of rock The touristy trail near the upper (west) side of the valley. Roughly speaking, the rocks on the left are American rocks, and the rocks on the right are European rocks. 18 May 2019 Golden Circle Iceland Travel ← → Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Δ This site uses Akismet to reduce spam. Learn how your comment data is processed.