The rolling hills that surround Antigua make for great mountain biking. Local agencies rent bikes as well as equipment like helmets and water bottles.
Old Town Outfitters. Though it caters to a backpacker crowd, trips by Old Town Outfitters are suitable for people of all ages. It also offers volcano hikes and rock-climbing excursions. 5 av. Sur 12, Antigua, Sacatepéquez, 03001. 7832–4171; www.adventureguatemala.com.