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Round Top summit from Quarry Road
The old road to the quarry is now a trail
A constant wind from the west shapes the hilltop trees
Mt. Diablo, seen from the Volcanic Trail
The S.F. - Marin skyline from Sutro Tower to Mt. Tam
Dipsacus, or Fuller's Teasel
The dried flower heads are still used by some wool weavers
to tease the fibers up and make the cloth fuller.
Labyrinths of all sizes and levels of difficulty
At the bottom of the old quarry
Field of mazes north of the quarry
A micro-labyrinth for beginners with small feet
The 1903 Kennedy Tunnel
Note: you won't see more than hints of it from the trail,
but it makes a good turnaround point for the hike.
1915 topo map; tunnel in center
1947 topo map (I love maps) showing "Aban'd tunnel"
West entrance at end of Tunnel Road
Plaques at west entrance
Old road and curve to east entrance
Lots of old-tunnel info on the Oakland Wiki page.
A discussion of "labyrinth" versus "maze".
Wait, there's more...
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