Lava Tubes Like HFBD

Charcoal Cave No. 2

Lava Tube

6.00 Fair

Charcoal Cave No. 1

Lava Tube

5.80 Mediocre

Neighboring Cave

Lava Tube

5.10 Mediocre

Hidden Forest Cave

Lava Tube

7.00 Good

Boulder Cave

Lava Tube

6.50 Fair

Grotta dei Lamponi

Lava Tube

7.60 Good

Grotta di Serracozzo

Lava Tube

7.50 Good

Pictograph Cave

Lava Tube

7.50 Good

Arnold Ice Cave

Lava Tube

7.40 Good

Billemotdonggul Lava Tube

Lava Tube

7.40 Good

Skull Caves

Lava Tube

7.30 Good

Skeleton Cave (Arizona)

Lava Tube

7.20 Good

Gjábakkahellir

Lava Tube

7.20 Good

Hells Teeth

Lava Tube

7.10 Good

Bat Cave No. 1

Lava Tube

6.80 Fair

Grotta Cassone

Lava Tube

6.80 Fair

Arnarker

Lava Tube

6.70 Fair

Grotta del Santo

Lava Tube

6.60 Fair

Horse Cave

Lava Tube

5.90 Mediocre

Undara Lava Tubes

Lava Tube

9.20 Excellent

Terwilliger Hot Springs

Hot Spring

8.43 Great

Umpqua Hot Springs

Hot Spring

8.36 Great

Reynisfjara Beach

Beach

8.35 Great

Umm Jirsan Cave

Lava Tube

8.30 Great