Ha! Ha! We came up the Florence Lake FSR to clean out all of our unfound caches (which we didn't) and ended up dropping a few more to get you to come back to this fun area. You can get to the trailhead with a decent vehicle. The road has some rough spots, but take it easy and you will get there. Watch for the dirt bikes, quads, side-by-sides, 4 wheel drives and bears.
This is a two-stage multi. Near the posted location you will find a structure that will reveal the clues to help you find this cache. The cache can be found at:
N49° 21.ABC' W122° 19.DEF', where:
A = first number of the area code on the box =
B = second number of the street address on the box =
C = number of clasps on the top edge of the box =
D = number of padlocks on the box =
E = first number of the label # on the box =
F = first number of the label # on the box =
Checksum A+B+C+D+E=F=25