You do not need a package tour to see Machu Picchu. The Sacred Valley is threaded with cheap colectivos, the towns along the way deserve nights of their own, and doing it independently turns a box-ticking day trip into a week that builds properly toward the finale. Here's the route we'd give anyone landing in Cusco for the first time.
Cusco: arrive slowly
Cusco sits at 3,400 metres, and the single best thing you can do on day one is very little. Check into a hostel around San Blas (dorms $8-14), drink the coca tea, and stroll downhill only. The city rewards the slow days: Inca walls holding up colonial churches along Hatunrumiyoc — find the famous twelve-angled stone, fitted without mortar so precisely you can't slide paper into the joints — the San Pedro market for $2.50 menú lunches and juice ladies who remember your order, and Qorikancha ($5), where the Sun Temple's curved stonework shames everything built on top of it. Buy the partial boleto turístico ($20) if you'll visit Sacsayhuamán, looming above town with its zigzag walls of hundred-tonne boulders.
Give Cusco three nights minimum before doing anything strenuous. Altitude is democratic; it flattens marathoners and smokers alike.
Pisac: terraces and the market
Colectivos to Pisac leave from Calle Puputi constantly and cost about $1.50 for the hour's ride. Pisac town does a big craft market, but the ruins ($10, or covered by the full boleto) are the point: an Inca citadel strung along a ridge high above the valley, with agricultural terraces sweeping down the mountainside in contour lines. Take a taxi to the top entrance ($6-8) and walk down through the whole site in two or three hours — past the largest known Inca cemetery, its cliff face pocked with tomb holes — and out into town for lunch at the market comedores.
Ollantaytambo: the living Inca town
Another colectivo hop ($2, one hour) brings you to Ollantaytambo, the best base in the valley and the only town still laid out on its Inca grid — water channels chuckle down the middle of streets whose walls have stood since the 1400s. The fortress ($10/boleto) climbs above the plaza in massive terraces; come at 7am and you'll share it with staff. Across the valley, the free hike to the Pinkuylluna granaries gives the classic photo of the whole site. Guesthouses run $12-25, and this is where you catch the train, so stay two nights and let the town's evening calm work on you.
Getting to Aguas Calientes
The train (PeruRail or Inca Rail) from Ollantaytambo to Aguas Calientes takes about 1 hour 45 and costs $60-90 each way in the cheapest classes — book weeks ahead in high season. The famous budget alternative is the 'Hidroeléctrica route': a 6-7 hour van from Cusco ($15-20) then a flat, beautiful 10 km walk along the rails to Aguas Calientes. It saves real money and eats a full day each way; with the valley route above, the train from Ollantaytambo is the saner splurge. Aguas Calientes itself is a service town — beds $12-25, pizza everywhere, hot springs ($7) for after.
Machu Picchu
Buy your entry weeks in advance on the official site ($40-50 depending on circuit; timed slots sell out). Add Huayna Picchu or Machu Picchu Mountain ($10-15 extra) if you want a climb — Huayna Picchu's steep stairs give the vertiginous classic view back over the ruins. From Aguas Calientes, buses climb to the gate from 5:30am ($24 return) or you can walk the stair path in about 90 sweaty minutes for free.
And then you're there, and the clichés collapse: the city really does sit on a knife-edge saddle with the Urubamba roaring around three sides, clouds tearing off Huayna Picchu, llamas mowing the plazas. Hire a guide at the gate if you want the archaeology ($15-20 per person in a group); either way, take the slow upper loop first for the postcard terrace view before descending into the streets.
Practical notes
April-June and September-October balance dry weather against Machu Picchu's crowd caps; February brings rain and the Inca Trail's closure. Budget $40-55 a day plus the Machu Picchu spend. Trains and entry tickets are the only things needing advance booking — everything else on this route runs on colectivos and showing up.