Crossing Lake Torrens

Submitted: Friday, Oct 09, 2015 at 11:34
ThreadID: 130549 Views:6321 Replies:4 FollowUps:10
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G'day there!

I've accessed Lake Torrens in South Australia at several different points, mostly on various stations.

The amount of salt varies with the location, based on the elevation of the lake bed at that point. It also seems to vary from time to time, for a given area, maybe based on the most recent rain events. Although Lake Torrens has filled only once (or maybe it's twice) since European settlement, a significant rain event puts a bit of water in the lake.

Recently I accessed the lake at the regular tourist destination, east of Andamooka. In the past, from memory, the mud extended as far as I could see and I sure know what walking on (in) the mud is like.

However, this time, the mud extended only a couple of hundred metres to meet the salt so I decided to have a walk and check it out.

The mud was OK to walk on and the salt was firm, though I could stomp my heal through it.

Couldn't help myself! Although I had no GPS, compass or water, I just had to keep going. After a while I picked up two sets of motorbike tracks so followed them for a reference till they wheeled off to the north. With the ute barely visible at around two kilometres, I headed back. Bad place to be disoriented. It was overcast.

This has led me to consider crossing the lake, well prepared.

Now, we all know you mustn't create wheel tracks in the lake.

The quadbike is out of the question and so is a two wheel motorbike. Either would leave tracks and if they went down, recovery would be a nightmare.

At my age, walking would be quite a challenge, though not impossible for me with a pull cart.

The other option seems to be a mountain bike with wide tires and a small trailer to spread the weight over several wheels.

I'm aware that the surface changes and it would be possible, even with a GPS, to get across on firm ground but miss the route on the return.

When walking on the lake I got into some softer salt that still held my weight but was moist and built up on my boots, half an inch thick, flicking off to the front with each step.

Looking on Google Earth, I've found a suitable route at only 17km, with some wheel tracks to follow. Across one day, return the next.

I don't know how to determine the relationship between the load/area on my boots versus bike tires except that if I walk on the sand in our local river bed I make less impression than on the mountain bike.

Anyone out there with any experience in these matters?

Thanks,
Laurie.
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