INSTRUCTIONS: This cryptic crossword puzzle contains only words from SF park names. One word is missing from one park name. Solve the puzzle, then post something about this word or something which in some way indicates the solution to one of the clues, without spoilers. Possibilities are photos, alternative cryptic clues, or, to merit bonus points, a new puzzle generated from one or more of the clues or solutions.

Clues:

Across
3. yards of wild waterfowl
4. conservative shape
6. frolic surface
11. Reggie, crazy topless man's jock
12. direction in which he goes out, happy
14. edifice puller?
15. her impossible task: bury bizarre part in overturned turf
17. president sounds like cod cousin
19. wife-beater to fail dramatically
22. gauntlet changes hands in the orchard
24. Fernando's good drunk, unbeaten forever
26. reportedly looks briefly at some mountains
28. she's a south american flower
29. sounds like stripping a valley
30. don't start fire in grasslands
Down
1. valley in Tuscany, on a river
2. ground-up aspirin promotes plant growth
5. one of the three in literature, babblers
7. opening movement is heard
8. popular, in part, for singing old tune backwards
9. giants played here, madly beheading, tortures
10. harsh and confused housing costs
13. old bank can be found in paleozoic (rock) era
16. firefighter's endless sex
18. an American place to play, inside a gun range
20. greek goddess turns letters into art
21. Tony appears in door and end of hall
23. volunteer organization prospect
25. matching couple
26. sounds like Willie Brown was the first to get this from the baking brigade
27. remember that apple pie you didn't finish?

The grid: