- Challenge yourself by hiking up the magnificent Sólheimajökull, Iceland's 4th largest glacier - Get a chance to test your ice climbing skills as you explore the crevasse riddled outlet glacier - Find yourself in awe of its amazing ice formations, sinkholes and jagged ridges - an unforgettable site to spend the day - Check out the gorgeous waterfall, Skógafoss on the return trip back to Reykjavik