Lava Tunnel Caving & Snorkeling in Silfra with Transfer | Free Photos

Silfra is the kind of clear that tricks your eyes. This two-part day pairs Leidarendi lava tube caving with snorkeling in the Silfra Fissure between tectonic plates—so you get Iceland’s fire-and-ice in a single 6–7 hour block. I like that…














