R.N.
What time are you putting her down? Maybe move the nap to later in the day? My daughter was (and still is) about the same. Do you have quiet time before she naps? Perhaps putting some "quiet" or calming TV/music on will help her. I know your feeling because the days that my 29 mth old misses her nap its BAAAAAAD. Maybe put her to sleep her "nap" in your bed or on the couch where she doesnt feel left out. Until i had my son, my daughter would nap on the couch after i read her a few stories and turned the TV on to some quiet shows. If she falls asleep on the couch now i usually just move her to her bed. I make sure her room is nice and dark and have her soundmaker on white noise so it kinda drowns out everything else. Good Luck!