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Description

A fairly grubby sport crag upstream (and therefore in no danger from) the sewer works on Stockdill Drive near Holt, about 10 minutes drive from Belconnen. Climbs vary in height from 8 to 55 m, and the rock type is a porphyry volcanic. This is not a well-attended crag, with an adventurous approach, plenty of lichen, and some loose rock in places. Climb here at your own risk!

Septic Sector and the Cave Routes were bolted in 2014 and have straightforward access following the directions below. Sewer Wall, however, has many routes that start with a hairy traverse over the water on untrustworthy bolts that are rusty and probably NOT SAFE. Ideally you would abseil in to get to the base of this sector, but there are a couple of issues with this - firstly, there are no trustworthy trees up top, nor anywhere to place gear for an abseil, and secondly, between half to the entire sector has water at the bottom depending on recent rain!

Sewer Wall is in shade most of the day, but Septic Sector and the Cave Routes get full sun in the afternoon during the summer. The water is a great way to cool off; it's upstream from the water treatment plant so you're safe and it's usually a nice temperature throughout the warmer months.

It gets dark very quickly once the sun touches the Brindabellas in the west, and the start of the approach trail can be difficult to find, so pack a torch, as well as a camera not just for the climbs but for awesome scenery and an abundance of turtles, lizards, and, yes, piranha carp.

Access issues

Development of the ACT's Second Electricity Supply substation began in 2019 and has cut-off the 4WD access that was previously listed in the 2014 guidebook PDF. The only current approach is a 20 minute hike (see below).

Approach

Get yourself to Stockdill Drive, Holt, and follow it until you reach the entrance to the water treatment plant. Park opposite and hop over the gate (-35.249649, 148.975130) immediately to the right (downhill side) of the fence line. Follow the track along the fence, occasionally kinking to the left and right as the track drops in and out of a few gullies. At one point (-35.256969, 148.982001), the fence takes a dog-leg left and you leave the track, walking SSW downhill towards the river. You should be able to follow some animal tracks to a large gum tree on the edge of the cliff (-35.258665, 148.981176), which marks the top of the Cave Routes.

Follow the trail downhill to the left (climber's right/upstream), staying close to the cliff. After ~100 m, a small clearing will appear on your right with a lone tree near the edge of a 15 m cliff. About 4 m beyond the tree is the top of Hung Like A Sewer Rat. Continue scrambling down the ramp to the left to access the righthand routes of Septic Sector, or head right (climber's left/downstream) down the ramps to reach the base of the other routes. Follow the river downstream to the obvious big wall for Sewer Wall.

Note that work on the ACT's Second Electricity Supply substation has now cut-off the 4WD access that was previously listed in the 2014 guidebook PDF.

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Sewer Wall cliff
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37m
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