Introduction

Namadgi National Park covers 106,000 hectares — roughly 46% of the ACT's total land area — and contains a trail network that ranges from a short interpretive walks suitable for families to multi-day remote routes requiring serious navigation skills and wilderness experience. The park's better-known trails (Gibraltar Falls, Yankee Hat, the Tidbinbilla Trails) attract the majority of visitors and are described in most guidebooks. But Namadgi's lesser-walked interior trails offer an experience of genuine wilderness solitude that is extraordinary for its proximity to a capital city. This guide focuses on those less-visited options for walkers seeking something beyond the standard routes.

The Bimberi Peak Circuit: Namadgi's Premier Challenge

Bimberi Peak (1,911 metres) is the ACT's highest point and reaching its summit represents the most challenging and rewarding hike in the territory. The standard approach from the Orroral Valley takes approximately 12 to 15 hours return in a single day — a long and demanding undertaking — but the route is more commonly completed as a two-day overnight circuit that allows time to appreciate the sub-alpine landscape properly. The trail passes through alpine ash forest, crosses sub-alpine grasslands where wombats graze unperturbed by human visitors, and climbs through boulder fields to a summit with panoramic views extending to the Snowy Mountains on clear days. Route-finding in the upper sections requires map and compass skills or GPS navigation as the trail markers can be widely spaced.

The Mount Kelly Walking Track: Remote and Rewarding

The Mount Kelly Walking Track traverses some of Namadgi's most remote and least-visited country, taking in the upper Cotter Catchment and the wilderness areas south of the Brindabellas. The walk is approximately 25 kilometres one-way, requiring a car shuttle or two-day format, and passes through country that sees perhaps a handful of walkers each month outside of peak season. The landscape is extraordinary — vast, silent, and utterly different from the accessible fringes of the park. Alpine bogs, old-growth mountain gum trees, and the source streams of Canberra's water supply create an environment that feels genuinely primeval.

The Gudgenby Valley Walks

The Gudgenby Valley, in Namadgi's southern reaches near the Boboyan Road, contains several walking options that see very little traffic despite offering spectacular scenery and interesting natural history. The Gudgenby homestead ruins (evidence of early pastoral settlement of the area) can be visited on a walk from the Boboyan Road, providing a combination of historical interest and natural beauty. The valley floor grasslands are rich in wildlife, particularly in the early morning and evening when kangaroos, wallabies, and various raptors are active. The open grassy character of the valley contrasts with the forested ridges on either side, creating a landscape of varied character and constantly changing light conditions.

Summit Walks: Mount Gingera and the Brindabella Peaks

The Brindabella Range, forming the western boundary of the ACT, contains several summit walks that offer exceptional views despite being little-known outside the local walking community. Mount Gingera (1,857 metres) is accessible from the Canberra side and offers views across the ACT and into the Snowy Mountains from its open rocky summit. The walk from the Smokers Trail trailhead is approximately 14 kilometres return and involves significant elevation gain through montane forest and sub-alpine heath. Spring wildflowers on the mountain's upper slopes are particularly beautiful, and the walk is excellent in all seasons except when snow or ice makes the upper sections hazardous.

Navigation in Namadgi's remote areas requires proper map and compass skills supplemented by GPS. Mobile phone coverage is generally absent beyond the main road corridors, making offline navigation tools essential. The 1:50,000 Namadgi National Park topographic map is the standard planning tool and should be carried on all remote walks. Several trails in the park's interior are marked by occasional poles or blazes rather than formed tracks, and in vegetation or after rain, the trail can be difficult to follow. Route-finding in the alpine areas above treeline is relatively straightforward in clear weather but can become very serious in fog — always check weather forecasts and carry full navigation equipment.

Preparing for Remote Walking in Namadgi

Remote hiking in Namadgi requires careful preparation given the park's size and the limited emergency response capability in its remote interior. Register your walk intention with Parks ACT before departing on any overnight or remote day walk — the park's online registration system allows you to provide your intended route and expected return time, enabling search and rescue to respond quickly if you don't return. Carry a personal locator beacon (PLB) on remote walks as a last-resort emergency communication device. Water is available from natural sources throughout the park but must be treated before drinking. The ACT's weather can be extreme — blizzards are possible above 1,200 metres in any month, and summer thunderstorms develop rapidly. Always carry more food and clothing than you think you need.

Conservation Values and Walking Ethics in Namadgi

Namadgi National Park protects some of the ACT's most sensitive ecological communities, and walkers in the park's remote areas have a particular responsibility to minimise their impact. Stay on marked trails where they exist to protect fragile vegetation and soil crusts. Camp only at designated sites or in hardened areas like rocky ground. Pack out all waste including organic matter. Avoid disturbing alpine bogs — these rare ecosystems are critically important as water storage and biodiversity hotspots and are extremely slow to recover from physical disturbance. Follow fire prohibition rules strictly, as the alpine environments have limited water and are highly vulnerable to fire. The wilderness character of Namadgi's remote interior is its greatest asset — treating it with appropriate care ensures it remains extraordinary.