Angelus Hut Circuit via Robert Ridge and Speargrass Track

Angelus Hut Circuit is a high alpine loop from Mount Robert car park to Lake Angelus and back, climbing Pinchgut Track and Robert Ridge before returning by Speargrass Creek and Speargrass Track. Together, the two published approach figures add to about 14.5 miles (23.4 km). Allow around 12 hours of walking, normally split into two demanding six-hour legs with an overnight at Angelus Hut. This is expert tramping, not a casual day hike; choose it if you have experience on exposed mountain routes and can carry overnight gear.

Pinchgut Track starts with steep zigzags up Mount Robert’s open northern face, then climbs through beech forest to Relax Shelter near the treeline. Beyond the Paddy’s Track junction, the climb opens onto a broad, poled ridge across old ski-field basins. Flagtop rises to 1,690 m; farther along, the surface turns to boulders and sharp, loose rock. The route passes near Julius Summit at 1,794 m, then continues along the exposed ridge. Poles and cairns guide the way, but wind, cloud and winter or spring snow can make navigation and footing much harder. There is no water along this ridge leg, so carry enough for the climb.

After the high ridge and tarn-dotted basins, the route drops toward the Speargrass Creek junction, then follows poles to Rotomaninitua/Lake Angelus and the hut beside it. The first broad view opens from the ridge above the basin: a lake, smaller tarns and steep walls gathered beneath the surrounding peaks. From the first open view above the Speargrass junction, frame Lake Angelus with Hinapouri Tarn and the cirque ridges; keep the hut in the picture for scale. Give yourself time to enjoy the view before going down to the hut. The 28-bunk hut has mattresses, toilets and untreated tap water that must be boiled or treated. Hut and campsite places must be booked year-round; bring your own food and cooking gear.

After the lake and hut, retrace the ridge to the Speargrass Creek junction, then descend the poled route beside Te Horowai/Speargrass Creek. This section crosses the stream repeatedly without bridges. It is often used as the alternative exit when the ridge weather is poor, but high water can make the crossings difficult or impassable. Expect muddy stretches below the bush edge; the route eventually reaches Speargrass Hut and the beech-forest track back to Mount Robert car park.

Start at Mount Robert car park, where there is a shelter and toilets. The large lot can fill on busy weekends, and the road gate may be locked in icy conditions. Book the hut or campsite before setting out, carry all food, and bring a stove and fuel rather than relying on hut cooking equipment. Treat or boil hut water. No dogs are allowed in the national park. The Speargrass descent is not a safe shortcut during high water, and the exposed ridge needs suitable weather, warm waterproof layers and the experience to turn back if conditions deteriorate.

Lake Angelus is an alpine tarn in a basin carved by glaciers during ice advances that ended about 10,000 years ago. The steep valley walls, bluff-ringed side creeks, sharp ridges and round lake basins are all part of that legacy. The lake was once called Rangimārie, “peaceful,” a name given by a European; later climbers named the nearby peak and lake Angelus after the devotional prayer. Julius von Haast made the first recorded scramble along Robert Ridge in 1860, though he may not have been the first person to cross it.