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Join Date: Sep 2002
Location: LAX/TPE
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Posts: 42,211
What is your budget and what types of activities are you looking for?
Hiking on lava is most definitely not recommended with a child strapped to you. An accidental fall on the lava (hard, old lava) would cause a devastating injury and scar the child for life.
You would need to leave the child with someone when you go for the lava trek - check the lava viewing and tour thread for photos and information on an excellent private guide who can take you out to the lava if it's flowing.