Calgardup Cave was amazing. I loved that it was self-guided and you only went in with a helmet, headlamp and torch. There was no need to wait for tour times. You could take as long as you liked in the cave, sit and watch, or keep moving. With no one else around it was quiet and I loved the solitude - turn off your headlamp and sit in the dark to listen to the water dripping. It was magical and I’d highly recommend a visit.