Ever need an excuse to ride or stop somewhere different, want a reason to travel to areas you never been to before? Have a go at Geocashing - see this site for details. Basically people stash small contains with a logbook and maybe some small trinkets at a location then publish the coordinates and a hint on the site. All you have to do is upload the coords to a GPS unit then go hunting, write your details in the log book, and if you take something then put something back.
Did a search and there is 430 caches of them withing 100kms of home. Also check some of the adv ride routes like Lees Valley and Rainbow road and there are a few along these routes. I'm getting a GPS in a couple of months for using on the bike and this looks like another good use for it/reason to get one.
Cheers R
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