ON THE TRAIL OF NAVAJO INDIANS IN ARIZONA

Follow in the footsteps of the Navajo Indians on this Grand Canyon itinerary, which spends a week trekking the Sedona Area (4.3 miles/7km), the Dead Horse Ranch State Park in Arizona (6.8 miles/11km), Monument Valley into Grand Canyon National Park (6.2 miles/10km), Mystery Valley (7.5 miles/12km) and Zion National Park (7.5 miles/12km). There’s a hearty dinner around a campfire, a desert camp at a ranch and a final celebratory day in Las Vegas.

A nine-day Beyond the Grand Canyon Trek is available from Charity Challenge (020 8346 0500; charitychallenge.com) including full-board accommodation, activity equipment including tents, entrance fees, transfers, flights and a donation to a community project of your choice. Departs Oct 18 2018. Self-funding (inc reg fee): costs from £2,627; 100 per cent of any fundraising goes to charity.

Flexi: £495 registration fee; £495 tour cost contribution; £3,340 fundraising target (51 per cent goes to charity; 49 per cent goes to the operator).