In the back of the driver's side (USA model) cam cover as seen here...
See arrow. Pic taken from the BACK of the engine. That's an auto tranny dipstick on the left side.
The PCV valve slides out of the cover grommet that it's in.
'99 Grand Vitara JLX, 2.5L V-6, 4WD, 5 spd std, '00 "Limited" leather interior.
'03 Honda Odyssey
'72 Chevy Nova. One owner, SB, A/C, power disc/drum & steering.