X: -262 , Y: 68 , Z: 212
|A large cave system which leads into a giant underground rift.|
X: 18 , Y: 70 , Z: 116
|Find an intricate cave system in a snow biome. There are a lot of caves around this area, try searching the jungle biome just next to these coordinates to find a network of interesting caves.|
X: -99 , Y: 65 , Z: 50
|A small opening leads into a giant web of caves but be careful the lower levels house a giant lava field.|
X: -215 , Y: 65 , Z: 252
This biome has a good spawn point to get you started with plenty of trees and a small cave just next to the spawn which can supply stone and ores.
The seed itself has some nice large biomes which all house numerous above ground cave entrances.