Karri Forest and the Famous Gloucester Tree

Overview

Gloucester National Park sits just south-east of Pemberton in Western Australia’s southern forests, where tall karri regrowth forms part of the wooded backdrop to the town. The park was created in 1993, but the forest itself has a much longer story, shaped by earlier logging and regeneration. What gives the place its particular character now is that sense of dense, damp karri country close to town, with forested ridges, creeks and shaded gullies all packed into a relatively compact area.

Highlights

The big draw here is the karri forest itself. Smooth pale trunks rise high above the understorey, and the park’s ridges and gullies give the forest a layered feel that changes with the light and the season. The Gloucester Tree is the standout landmark, towering above the canopy and making the scale of the forest easy to grasp.

Another scenic feature is The Cascades on Lefroy Brook, where water runs over a series of rocky steps beneath the trees. It adds a different texture to the park, with moving water, mossy edges and a cooler, enclosed feel than the higher forest around the ridges.

Best Time to Visit

Gloucester National Park works well across the year, but it feels quite different from season to season. Winter brings fuller creeks and more movement through places like The Cascades, while the cooler months generally suit longer walks through the forest. Spring and early summer are especially appealing for the fresh growth, white karri blossom and mild conditions under the canopy.

Even in the warmer months, the tall karri forest keeps parts of the park shaded and comparatively cool, which is one reason this area has long been a favourite around Pemberton.

Plants and Animals

This is karri country, with dense stands of karri mixed in places with marri and an understorey that can include mosses, shrubs and ferny, moisture-loving growth near watercourses. In spring and summer, karri flowers bring colour to the canopy and attract birdlife.

Lefroy Brook is also notable for its population of pouched lampreys. These ancient-looking fish migrate from the ocean into freshwater to breed, and they are especially associated with the brook at The Cascades. Around the broader forest, the tall canopy and sheltered gullies provide habitat for a range of birds and other wildlife typical of the southern forest region.

Culture and Heritage

Gloucester National Park is recognised as Bibulmun/Piblemen Country. The park also carries more recent forest history through the Gloucester Tree, which was selected as a fire lookout in 1947 as part of a wider network used to watch over the karri forests.