Survey of Lake Calaveras March 21, 2010 [San Diego Natural History Museum Canyoneers hike] access point on Skyhaven Lake to Calaveras Open Space Preserve [and adjacent preserves] N 33 10.441 W 117 16.863 [10-441-16-863] 419-849 T intersection,we turn L 416-826-A we cross a small stream 440-773 459-734-B sort of a T intersection [near power lines], we turn R 434-719-C side trail R, we go SA 409-706 399-700 387-709-D small bridge over a creek 378-699 378-673-E the trail splits, we keep R the split is more of a triangle, at 372-663 we turn R on a trail running roughly parallel to the creek 352-663-F trail splits and we keep R 345-669 331-670 319-678 310-699 300-705-G large trail R, small trail L, we go roughly SA 267-711 255-713-H trail to R, we turn R 247-742 240-750 10-238-16-770-I trail junction, we turn L to go up Calavera Mountain 224-767-J smaller trail to L 198-768 188-771 we turn R into a small side trail 177-788-K we encounter a junction of larger trails and turn slightly R 10-190-16-815-L T intersection, we turn L 180-821 165-832 144-837-M fairly complicated trail junction, we go up 133-851 angle T, we continue L and up 124-854 132-864! trail ends, we turn aroundf 123-854 previously encountered part of trail, we turn R go go up [along a steep, narrow trail through chaparral] 117-856 115-868 we come to a steep part and turn R into a slightly gentler detour 116-877 115-890 109-900-N trail junction, we keep R to go up 104-923 a cable fence to our L in the shape of an "L" 10-94-16-957-summit the summit we go down to a view point at 111-970 102-997 97-7 83-20 75-20 76-35 73-54 80-69! end of this part, we turn around [along a narrow trail leading to a view point overlooking the lake] 71-54 we turn R into a side path down the other side of the mountain 64-76 64-96 56-109 10-52-17-126 T intersection with what appears to be the remains of a dirt road, we turn R 85-129 111-119 139-84-O wide spot, probably the end of the road we continue on a path to the L 147-92 146-99 154-103 145-131 10-134-17-145-P we enter a gravel road which goes R across the dam 171-160 186-178 195-209 196-235-Q other end of the dam, we turn R and walk along the access road next to the spillway 226-233 237-242 we turn R into a path, SA is more of the access road, which apparently leads to another access point [there is an unpaved path along the R side of the road] 250-227 256-182 274-148 348-114 382-102 388-99 386-53 375-33 375-991 374-965 407-886 427-858 12:31 PM back at the trailhead [10-441-16-863!], end of this part [in the GPS I recorded lat-lon along Sky Haven Ln, Lake Blvd, College Blvd and Carlsbad Village Dr as far as El Camino Real] 10-462-16-867 487-874 525-856 559-846 588-864 609-870 643-852 668-876 690-899 706-939 716-80 724-126 787-246 806-290 811-352 806-396 762-470 745-505 718-630 715-634 665-639 617-631 563-583 532-554 484-534 431-534 297-584 244-607 142-703 93-741 86-780 92-823 88-870 33-56 983-251 977-294 981-346 1-382 20-413 299-546 338-571 368-613 372-659 362-716 326-768 311-801 301-870 294-913 263-978 247-15 238-58 240-106 250-152 299-265 311-301!