The "Mountain" area you are referring to is called Sugarloaf Mountain.. It's as close to a mountain as we get here in Florida. Check this out!
http://shorton.phpwebhosting.com/slideshows/sugarloaf_mtn.htm
It is in Lake County around Montverde/Ferndale. It's very pretty........

Thought Florida was flat, did ya? If this is your first tour of central Florida, you may be in for some surprises. Rising to the grand elevation of 310 feet, Sugar Loaf affords a panoramic view of glistening Lake Apopka and various smaller lakes. Citrus groves of orange and grapefruit trees, sprawling ranch houses and marinas await you. Terrain: flat to rolling hills....