The whole outing usually takes about 1½ to 2 hours. After check-in, you drive your own vehicle uphill to the meeting car park, then follow a herder on foot. The approach is on exposed, uneven ground with rocky steps; from May to January it is usually at least 20 minutes each way, and from February to April it can be steeper, snowy or icy and take as long as 45 minutes each way. Grippy waterproof boots and warm waterproof layers make sense in any season.
At the herd, the herder explains the animals and offers a brief hand-feeding session. You can feed them but not pet them. The walk is not a casual stroll, especially in winter, so consider the rough footing and your comfort with slopes before booking.