IT IS CRITICAL TO PARK IN THE PROPER LOCATION. PARK AT N 42 17.739, W 83 44.823
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This is right across the street from the LOTUS dealer parking lot on Main street near M-14. It looks like a dirt alleyway, but is officially owned by the Ann Arbor Parks and is the official entrance to Bluffs Park. It is private property on either side of the dirt entranceway.
Note: The first stage is near a parking lot owned by the Fraternal Order Of Elks. If you park there you will be subject to towing/ticketing.
This is a little used park (due to the difficulty of parking) that is absolutely phenominal. You won't believe your eyes. Tall hills, deep ravines, and rivulets abound. Narrow trails give it a rustic, trailblazing feel.
The first stage is a 118mL clear oil sample container and the second stage is a 35mm microfilm container (4"x4"x2" square plastic box). The final stage is a 1.5 gallon pretzel jar full of great stuff.
On Wednesday April 30th I returned to Bluffs Park to place the Ann Arbor Parks permit stickers in the cache and its stages. I had the Ann Arbor Parks Natural Area Preservation division's industrial GPS with me to mark an area that they burned and marked all of the stages of this cache with it (a Trimble GeoExplorer 3). It gave me stage 1 at N 42 17.54765, W 83 44.87747 Way cool unit!