1
Only at night
6
Only loggable at Opencaching
7
Hyperlink to another caching portal only
8
Letterbox (needs stamp)
9
Dangerous area
10
Active railway nearby
11
Cliff / Rocks
12
Hunting
13
Thorns
14
Ticks
15
Abandoned mines
16
Poisonous plants
17
Dangerous animals
18
Parking area nearby
19
Public transportation
20
Drinking water nearby
21
Public restrooms nearby
22
Public phone nearby
23
First aid available
24
Near the parking area
25
Long walk
26
Swamp or marsh
27
Hilly area
28
Some climbing (no gear needed)
29
Swimming required
30
Point of interest
31
Moving target
32
Webcam
33
Wihin enclosed rooms (caves, buildings etc.)
34
In the water
35
Without GPS (letterboxes, cistes, compass juggling ...)
36
Access or parking fee
37
Overnight stay necessary
38
Available 24 hours
39
Only available at specified times
40
by day only
41
Tide
42
All seasons
43
Breeding season / protected nature
44
Snow-proof hiding place
46
Special equipment
47
Compass
48
Flashlight
49
Climbing gear
50
Cave equipment
51
Diving equipment
52
Watercraft
53
Aircraft
54
Investigation
55
Puzzle / Mystery
56
Arithmetical problem
57
Other cache type
58
Ask owner for start conditions
59
Suited for children
60
Only available during specified seasons