three-day, grand, canyon, rafting, trip, begins, with, plane, flight, from, las, vegas, to, bar, ten, ranch, where, helicopter, transfers, passengers, deep, into, waiting, crew, rafts, assemble, beginning, each, expedition, raft, called, j-rig, holds, plus, supplies, two, travel, together, per, by, massive, sandstone, boulders, cliffs, western, expeditions, guide, shares, information, about, geology, history, hike, explore, splash, travertine, grotto, fantastic, series, hidden, waterfalls, pools, view, rim, colorado, river, runs, through, narrow, canyons, in, places, not, always, visible, when, make, camp, may, take, short, hikes, bighorn, sheep, hawks, eagles, lower, miles, enter, s, granite, gorge, moderate, rapids, including, spring, diamond, creek, j-rigs, pull, up, end, day, tents, cots, are, provided, overnight, camping, but, many, will, catch, nap, outdoors, prefer, sleep, under, stars, as, near, lake, mead, calms, widens, transfer, jet, boat, hourlong, ride, down, across, coach, returns, everyone