Published by Envirobook Sydney 1999 RRP $12.95 from most gear shops. Max Gentle's terse but immortal description of the Colo River - that is was good for all round physical development - is a masterpiece of understatement.
Anthony Dunk's new book on the Colo Wilderness and Wollemi National Park is a most useful guide book in the excellent series produced by Envirobook.
The author's extensive research on the ground as well as on paper, has resulted in a very "user friendly" guide book for a region that is noted for its tough and tricky terrain and poor topo maps.
The twenty walks detailed in the book are graded for experienced walkers and there is a good range of walks for all the major access points around Wollemi NP. The walk descriptions and how to get to the starting points is thorough, but useful information on the Colo Gorge is scarce. The outline maps provided for most walks are good but will test your navigational ability.
Another section in the book covers vehicle camping areas mainly on the edges of Wollemi NP. The book is well illustrated, but some photos are not up to the quality of the text.
I am pleased to recommend Anthony Dunk's "The Colo Wilderness" as a very important reference book for any serious bushwalker interested in Wollemi NP especially the mighty Colo Gorge.
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