The Temple of the Sun: Aguas Calientes Travel Guide

One curve in a city of corners

Everything at Machu Picchu runs in straight lines except this. Terraces step down the ridge in flat bands. House walls meet at sharp corners. Then, in the lower urban sector, a single wall of pale granite bends into a smooth half-circle, wrapped around a lump of bedrock.

That is the Temple of the Sun, known in Spanish as the Torreón. The masonry is the finest in the city: blocks cut so tightly that no mortar was used. They are shaped to lean slightly inward as they rise. Few of the people walking past can name it, and that suits anyone who likes to stand still and look.

Reading the stone

The temple rewards slow looking. Its builders used the natural rock as an altar and raised the tower around it. Most of what matters is visible from the path above.

Look for these:

• The trapezoidal windows. Wider at the bottom than the top, the standard Inca shape that copes with earthquakes.
• The carved boulder inside. The top of the bedrock has been cut flat, with a sharp groove along one edge.
• Stone pegs and niches. Small knobs and recesses on the walls, probably used for hanging or displaying objects.
• The cave beneath. Under the tower is a natural cave lined with stepped, carved stone. Hiram Bingham named it the “Royal Tomb”, though no royal burial has been confirmed.

The pairing above and below is the point. Hard, polished stonework sits in the light on top, and an earth-and-shadow cave opens underneath it. Even if you never step inside, standing at the rail makes the layout clear.

The June solstice window

The east-facing window is why this building has its name. Around the June solstice, the sun comes up over the peaks and light falls through the opening. It lines up with the cut edge of the boulder inside. For a farming state that ran on the calendar, a stone that marked the turning of the year was worth this level of craft.

You are unlikely to see this yourself. The alignment happens at sunrise, entry is timed, and the inner chamber is closed to visitors. Go for the idea rather than the show. Find the window, look at the groove on the rock, and work out the line between them. Once you’ve seen it, the curved wall makes sense.

Up from Aguas Calientes

Aguas Calientes sits at the bottom of the gorge on the Urubamba River. It has no road connection to the rest of Peru. Most people arrive by train from Ollantaytambo or Cusco with PeruRail or Inca Rail, and the ride ends right in town.

From town you have two ways up to the citadel:

• The shuttle bus. It zigzags up the Hiram Bingham road from the stop by the river, taking roughly 25 minutes. Lines form for the early departures, so buy bus tickets the day before.
• The stairs. A steep stone path climbs from the Puente Ruinas bridge to the main gate. Allow around an hour and a half, and more if you’re still adjusting to the altitude.

Once you’re through the gate, the Torreón is a walk downhill into the urban sector, past the agricultural terraces.

Getting the Torreón onto your route

The rules inside Machu Picchu decide what you see. This section matters more than any other.

The site works on fixed one-way circuits. Each ticket is tied to a circuit and an entry hour. The routes have been reorganised several times in recent years, and not every one passes the Temple of the Sun at close range. Before you pay, check the official Machu Picchu ticket site or ask your agency which circuits currently include the Torreón and the Royal Residence.

Things to know at the gate:

• Carry the passport you used to book. It is checked against the ticket.
• Expect to enter with a licensed guide. Ask yours to stop at the Torreón, because groups that are short on time sometimes walk straight past.
• You can’t turn back. Once you’re past a section, staff won’t let you walk back up the circuit. Take your photos the first time.
• Leave out tripods, drones and large bags. They aren’t allowed inside, and the only toilets are outside the main gate.
• Treat the walls as hands-off. Guards will call you away from the stonework if you lean on or climb it.

Prices change and are set by the Ministry of Culture. The current fee is listed on the official ticket site, and the bus fare is posted at the Consettur office in town.

What sits next door

Most of the citadel’s best stonework is a short walk from the curve. Spend 10–15 minutes at the Torreón, then look around you.

• The Royal Residence. Directly beside the temple, with larger rooms, its own entrance and the city’s best-finished living quarters.
• The fountains. A chain of stone channels runs past the temple, still carrying spring water down the slope.
• The Temple of the Three Windows and the Main Temple. On the Sacred Plaza above, built from huge polygonal blocks.
• The Intihuatana. The carved ritual stone on the hilltop above the plaza, if your circuit includes it.

Timing the climb

Google currently lists the temple’s hours as 7:00 AM to 5:00 PM. At sites like Machu Picchu, hours and circuit times change through the year, so check the official site for this month’s schedule.

Earlier entry slots make sense for practical reasons. The bus queue is shorter, the stone is cooler and the guides are fresh. Afternoon light coming across the gorge also sharpens the edges of the masonry. A full visit to the citadel takes two to four hours, depending on your circuit. Leave enough time for the bus down and the train you’ve booked out of Aguas Calientes.