Why is there aircraft noise around Cusco Airport?

Alejandro Velasco Astete International Airport (CUZ/SPZO) is Peru's third-busiest airport, serving as the main gateway to Machu Picchu and the Sacred Valley. The airport sits just 5 km south-east of Plaza de Armas at an altitude of 3,311 m (10,860 ft) — one of the highest commercial airports in the world. The single runway (10/28) handles around 3 million passengers per year, mostly tourist traffic plus regional connections from Lima. The corridor extends through eastern Cusco districts (San Sebastián, Wanchaq, Magisterio) at low altitudes due to the surrounding terrain.

Which Cusco neighborhoods are quietest for aircraft noise?

Most of central Cusco's historic core (Plaza de Armas, San Pedro, the streets around Loreto and Cuesta del Almirante) catches only altitude overflight. San Blas (the bohemian hillside district) catches lateral noise but is mostly tolerable. The Sacred Valley villages (Pisac, Urubamba, Ollantaytambo) are essentially aircraft-noise-free. Saqsayhuamán and the hillside districts above central Cusco catch minimal noise. The most affected areas are concentrated east of the historic centre: San Sebastián, Wanchaq, Tahuantinsuyo, Magisterio — the modern Cusco districts where most local residents live.

Is the historic centre loud from planes?

Moderately — the historic centre catches aircraft at moderate altitudes (~2000-3000 ft) on certain approaches. The high airport altitude means aircraft are working at the edge of their performance envelope; departures climb more slowly than at sea-level airports, extending the noise impact further. Plaza de Armas hotels and accommodations catch some overflight noise during the morning departure window and afternoon arrival bank. The narrow streets and stone buildings reflect sound differently from modern construction — the noise character is distinct.

How does Cusco's high altitude affect aircraft noise?

Cusco at 3,311 m (10,860 ft) is one of the highest commercial airports in the world. The thin air affects aircraft performance significantly: longer takeoff runs, much shallower climb angles, and aircraft need longer to reach safe cruise altitude. The practical effect for noise: aircraft are at lower altitudes for further distances than at sea-level airports. The corridor extends further from the airport at lower altitudes than equivalent traffic in a coastal city. This is why eastern Cusco districts catch significant noise even though they're 5 km from the runway.

Is the new Chinchero airport going to change things?

Construction of the new Chinchero International Airport (planned IATA: AYP or new code) has been in progress for years to replace Velasco Astete. Chinchero is in the Sacred Valley, ~25 km from Cusco, at a slightly lower altitude. If/when Chinchero opens, Cusco residents would experience dramatically reduced aircraft noise. The project has experienced multiple delays and cost overruns. As of 2026, Velasco Astete continues to be Cusco's main airport; Chinchero's opening date remains uncertain.

How do I report aircraft noise in Cusco?

Submit complaints to CORPAC (Corporación Peruana de Aeropuertos y Aviación Comercial), Peru's airport operator, via corpac.gob.pe. The Municipalidad Provincial del Cusco handles city-level complaints. Coordinated resident advocacy is limited compared to European or US airports.

Does coverage on this map include all aircraft?

Yes for commercial flights — Peruvian airlines (LATAM Perú, Sky, JetSmart) operating Cusco connections have near-100% ADS-B coverage. Some smaller charter operators (helicopters to Machu Picchu, Sacred Valley fixed-wing) may have lower coverage. The visible traffic represents probably 90%+ of commercial movements.

Cusco Flight Path Noise Map – Alejandro Velasco Astete International Airport (CUZ)

Name: Aircraft noise observations near Alejandro Velasco Astete International Airport
Creator: Flight Path Noise
License: https://creativecommons.org/licenses/by/4.0/

Aircraft noise around Cusco in October 2026

Loudest neighborhoods near Cusco: San Sebastián, Wanchaq, Tahuantinsuyo, Magisterio. Quietest: Saqsayhuamán area, Pisac, Ollantaytambo, Tipón. Busiest around noon local time averaging 71 flights/day. Source: Flight Path Noise monitoring data, 30 days to 2026-10-18.

Flights by hour · last 30 days

12a6a12p6p

Average daily traffic

flights / day · 2,119 total

Busiest hour

noon

peak 90 dB

Loudest hour

noon

peak 90 dB

Loudest residential area

San Sebastián

57 dB avg · ~63 flights/day · Normal conversation

District immediately north of the airport; ground noise plus full overflight

Does Cusco Airport have a curfew?

Partial — a de-facto overnight near-shutdown (terrain and lighting, not a noise law).

Cusco has restricted operations between approximately 7 PM and 5 AM. The combination of high-altitude challenging operations (which are difficult after dark due to terrain), limited approach lighting, and the airport’s tourism-focused schedule means most operations are concentrated in daylight hours. Overnight operations are minimal — primarily emergency medical flights and limited cargo. This gives Cusco residents a reliable quiet evening window.

Alejandro Velasco Astete International Airport (CUZ/SPZO) is Peru’s third-busiest airport — the main gateway to Machu Picchu and the Sacred Valley, sitting just 5 km south-east of Plaza de Armas at 3,311 m (10,860 ft) altitude. The high altitude makes for one of the most challenging commercial approaches in South America, with terrain-constrained corridors and limited night operations. The corridor extends through eastern Cusco districts at low altitudes; the historic centre catches moderate impact; the Sacred Valley sits well clear.

Which neighborhoods are quietest — and which aren’t

CUZ has a single runway 10/28, oriented east-west. With prevailing westerly winds, the airport operates on runway 28 — arrivals from the east, departures to the west over Cusco. With easterly winds, the operation reverses, putting arrivals over Cusco from the west.

Area	Aircraft noise	Why
San Sebastián	✈︎✈︎✈︎	Airport-adjacent north
Wanchaq	✈︎✈︎✈︎	Western approach corridor
Tahuantinsuyo	✈︎✈︎✈︎	Mass-housing west
Magisterio	✈︎✈︎✈︎	Modern residential south-west
Plaza de Armas	✈︎✈︎	Historic centre; altitude moderate
San Blas	✈︎✈︎	Hillside artisan district
San Pedro	✈︎✈︎	Market area lateral
San Jerónimo	✈︎✈︎	Eastern district lateral
Saqsayhuamán area	✈︎	Hillside above; off corridor
Pisac	✈︎	Sacred Valley village; clear
Ollantaytambo	✈︎	Sacred Valley; outside footprint
Tipón	✈︎	Eastern Sacred Valley

The practical move at Cusco for aircraft noise is the hillside above the centre (Saqsayhuamán area, Tambomachay direction) or the Sacred Valley (Pisac, Urubamba, Ollantaytambo). These are essentially aircraft-noise-free. The historic centre catches moderate noise; the eastern Cusco districts catch significant impact.

Flight patterns and runway use

CUZ operates the single runway 10/28 based on wind, with unique high-altitude operational constraints. Departures climb out shallowly due to the thin air; arrivals approach through challenging terrain.

When is it quietest?

CUZ’s daylight-only schedule:

5 AM – 8 AM: peak morning departure bank
Midday: moderate sustained
Evening arrival bank (3 PM – 6 PM): peak
6 PM onwards: rapidly tapers
7 PM – 5 AM: minimal operations

For your specific address, drop a pin on the map above.

How to check noise at your specific address

Search your address or postcode in the bar at the bottom.
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Read the noise report.

For Sacred Valley villages, expect flat green profiles. Central Cusco hostels/hotels vary by location relative to the corridor.

Frequently asked questions

Why is there aircraft noise around Cusco Airport?: Alejandro Velasco Astete International Airport (CUZ/SPZO) is Peru's third-busiest airport, serving as the main gateway to Machu Picchu and the Sacred Valley. The airport sits just 5 km south-east of Plaza de Armas at an altitude of 3,311 m (10,860 ft) — one of the highest commercial airports in the world. The single runway (10/28) handles around 3 million passengers per year, mostly tourist traffic plus regional connections from Lima. The corridor extends through eastern Cusco districts (San Sebastián, Wanchaq, Magisterio) at low altitudes due to the surrounding terrain.
Which Cusco neighborhoods are quietest for aircraft noise?: Most of central Cusco's historic core (Plaza de Armas, San Pedro, the streets around Loreto and Cuesta del Almirante) catches only altitude overflight. San Blas (the bohemian hillside district) catches lateral noise but is mostly tolerable. The Sacred Valley villages (Pisac, Urubamba, Ollantaytambo) are essentially aircraft-noise-free. Saqsayhuamán and the hillside districts above central Cusco catch minimal noise. The most affected areas are concentrated east of the historic centre: San Sebastián, Wanchaq, Tahuantinsuyo, Magisterio — the modern Cusco districts where most local residents live.
Is the historic centre loud from planes?: Moderately — the historic centre catches aircraft at moderate altitudes (~2000-3000 ft) on certain approaches. The high airport altitude means aircraft are working at the edge of their performance envelope; departures climb more slowly than at sea-level airports, extending the noise impact further. Plaza de Armas hotels and accommodations catch some overflight noise during the morning departure window and afternoon arrival bank. The narrow streets and stone buildings reflect sound differently from modern construction — the noise character is distinct.
How does Cusco's high altitude affect aircraft noise?: Cusco at 3,311 m (10,860 ft) is one of the highest commercial airports in the world. The thin air affects aircraft performance significantly: longer takeoff runs, much shallower climb angles, and aircraft need longer to reach safe cruise altitude. The practical effect for noise: aircraft are at lower altitudes for further distances than at sea-level airports. The corridor extends further from the airport at lower altitudes than equivalent traffic in a coastal city. This is why eastern Cusco districts catch significant noise even though they're 5 km from the runway.
Is the new Chinchero airport going to change things?: Construction of the new Chinchero International Airport (planned IATA: AYP or new code) has been in progress for years to replace Velasco Astete. Chinchero is in the Sacred Valley, ~25 km from Cusco, at a slightly lower altitude. If/when Chinchero opens, Cusco residents would experience dramatically reduced aircraft noise. The project has experienced multiple delays and cost overruns. As of 2026, Velasco Astete continues to be Cusco's main airport; Chinchero's opening date remains uncertain.
How do I report aircraft noise in Cusco?: Submit complaints to CORPAC (Corporación Peruana de Aeropuertos y Aviación Comercial), Peru's airport operator, via corpac.gob.pe. The Municipalidad Provincial del Cusco handles city-level complaints. Coordinated resident advocacy is limited compared to European or US airports.
Does coverage on this map include all aircraft?: Yes for commercial flights — Peruvian airlines (LATAM Perú, Sky, JetSmart) operating Cusco connections have near-100% ADS-B coverage. Some smaller charter operators (helicopters to Machu Picchu, Sacred Valley fixed-wing) may have lower coverage. The visible traffic represents probably 90%+ of commercial movements.

Sources and further reading

Alejandro Velasco Astete International Airport — Wikipedia — Wikipedia
CORPAC — Corporación Peruana de Aeropuertos — CORPAC
MTC Perú — Ministerio de Transportes y Comunicaciones — MTC Perú
Municipalidad Provincial del Cusco — Municipalidad Provincial del Cusco

Data updated 2026-10-18 — live ADS-B monitoring, rolling 30-day statistics (methodology). Article text revised 2026-05-23.

30 dB	Whisper
45 dB	Quiet residential
55 dB	Normal conversation
65 dB	Busy road
75 dB	Vacuum cleaner
85 dB	Heavy traffic
95 dB	Motorcycle nearby

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Cusco Flight Path Noise Map – Alejandro Velasco Astete International Airport (CUZ)

Aircraft noise around Cusco in October 2026

Does Cusco Airport have a curfew?

Which neighborhoods are quietest — and which aren’t

Flight patterns and runway use

When is it quietest?

How to check noise at your specific address

Frequently asked questions

Sources and further reading

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