If you're riding in the black/blue group I'd recommend grabbing one of these. Not sure if the other groups are using them too but we definitely will be.

Baofeng UV-5R Two Way Radio Dual Band 144-148/420-450Mhz Walkie Talkie 1800mAh Li-ion Battery(Black)
Main Function: Dual band, dual display: A/B band independent operation 128 groups channels storage: Shortcut menu operation mode VFO & Memory channels scan:…
www.amazon.com
Also, for those camping...looks like you're gonna want to bring some ez ups.