Aggregate Piles

Location: Boulder Islands

Depth: 120ft to bottom of buoy lines 140ft to bottom of tunnels (depending on Lake elevations this site maybe shallower or deeper.)

Points of interest: 4 piles of crushed aggregate with concrete tunnels through the center of the piles. Other sites include stairwells, conveyor belts, rail tracks, steel towers, etc.

Directions: Dive site is located on the North West side of Boulder Islands. Buoy lines with floats (assuming park service or boaters have not cut them) are set in 20 ft of water on piles # 1 and # 4. Use some sort of “cheat stick” to grab the tie up line under the water or just free dive down to tie up your boat. Lots of boat traffic in the summer so beware.

Dive: (Pile # 1 buoy) From your anchor line drop down to a depth of 120ft. The anchor line leads to the start of a tunnel. DO NOT ENTER THIS TUNNEL! There is a block in the back and is the only one that does not go through. String line leads you south towards Piles # 2 and # 4. String also leads west towards other items at the site.
(Pile # 4 buoy) From your anchor line drop down to a depth of 120ft. The anchor line leads to the start of a tunnel. This tunnel is one of the easiest tunnels to swim through (fewest obstructions). String leads north towards piles (# 3 and # 1). String also leads west towards other items at the site.

Disclaimer:
This site has tunnels that create an overhead environment. Do not enter these sites until you have been properly trained and are able to deal with problems that arise in closed environments. Do not take anything from this site. This site is a very historical site with ties to the history of Lake Mead. Please respect all aspects of this site.

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