Why the 'Berg
Sheer basalt escarpment, San rock art, and the country's best high-country hiking. Undervisited by international travellers, most head to the Cape, which means the trails are quiet and the air is thin and cold and yours. The escarpment runs for hundreds of kilometres; you pick a section, not the whole range.
Where
Royal Natal for the Amphitheatre, the iconic cliff wall, and the Tugela Falls hike to the top of the escarpment via the chain ladders (not for vertigo). Cathedral Peak for serious day hikes and mountain huts. Giant's Castle for San rock art and easier walks. Champagne Valley and Monk's Cowl for a mix of day hikes from a base. The southern 'Berg, Garden Castle, is quieter and greener.
The two styles
Day hikes from a hotel or camp are what most visitors do, and the right call unless you're experienced. Overnight escarpment trails are the real wilderness, but you need route-finding skills, a map, and weather sense. The escarpment can drop to freezing and white-out in any season. Book a guide if it's your first time above 2,500m.
The Amphitheatre, specifically
It's the image everyone has of the Drakensberg: a five-kilometre wall of basalt, the Tugela River falling over the lip, and the chain ladders up to the top. The hike to the ladders is a few hours, the ladders themselves are the part people remember (and some don't love), and the top is the South African high country at its best. Start early; the afternoon thunderstorms in summer are real.
When
April to September for the clearest, coldest, driest days. Summer, December to February, brings afternoon thunderstorms, spectacular and dangerous on exposed ridges. Be off the top by noon. Winter is cold, often below freezing at night, and the clearest light of the year; pack for it.
What it's not
It's not the Cape. There's no wine, no ocean, and fewer restaurants. You come for the mountains and the quiet, and you eat what the hotel cooks. A lot of people who expect the Cape's infrastructure are surprised by how remote the 'Berg feels. That's the point.