How many steps at the steepest part? Are there hand rails at each step location? Traveling with someone with a sore hip.

There are handrails on all areas with stairs. The tour is about 40 mins of walking through tunnels and up and down 4-6 flights of about 10 stairs each.

There are handrails. There are steps also uneven parts of the path. Some places are low lighting too.

There are plenty of handrails.