Urban night caches are hard to find, but very fun to do.
Follow the stages to arrive at the final location. All stages are listed as waypoints and may contain instructions or hints. Tools of the trade needed will be a AA battery, Flashlight, UV Light, and a calculator. Time to complete is less than an hour.
Permission of the property owners has been granted.
Math puzzle to find stage 4:
N 38° 40.ABC W 121° 47.DEF
W = Total number of stars
X = Number of vertical stars
Y = Number of horizontal stars
Z = Number value of letter displayed
A = X
B = Y
C = Z / 2 / 3
D = W - 2
E = W + X - Y - Z + 1
F = (8 * Z + 3) / 11
For more of our favorite caches that we have created and placed in California, Arizona and Hawaii, check out this bookmark list: JoyfulNomad's Favorite Owned Geocaches