There isn't any steps if you can come from behind the temple. Way which leads to restroom.
From one side entrance it could be just about 5 steps right next to parking
10 is less 20 is more for seniors.
I am 71, my wife 67, both of us went around without any discomfort. Go with a happy mind. Hanuman ji will take care.
Hardly 10 20 steps. .
Thanks! Your answer is awaiting moderation.