Here you go , the map of the hedge maze
http://img174.imageshack.us/img174/1...ilhedgeba9.jpg
Here's a few others maze map for your reference
Catacombs
http://img444.imageshack.us/img444/2...ilmaze1uu6.jpg
Crazy Frank's cavern's
http://img176.imageshack.us/img176/8...zyfrankpt3.jpg
Mausoleum Inner chambers & sinkhole caverns
http://img174.imageshack.us/img174/2723/veilmazefb6.jpg
Overall view map of the valley
http://img175.imageshack.us/img175/5606/veilmapbu3.jpg
The machete can be found in the swamp. According to the hintbook - the knapsack , lighter , machete , pistol & rope are all found in the swamp.