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Photo locations · Chamonix · France

Lac de Cheserys Mont Blanc Reflection: sunset photography forecast

The small Chéserys lakes give you a clean reflection of the Mont Blanc massif without the infrastructure around Lac Blanc. The pools are shallow and wind-sensitive, so the successful frame is often decided by timing rather than by finding the lake.

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Will today's sunset be worth it?

Simplified forecast from the open model run. The full forecast — a second model, your exact viewpoint, the hourly cloud timeline — is in the app.

in 50m

Vivid warm canvas

Exactly at sunset: Exceptional
Best-light moment: Exceptional,

Starts

in 6m

Soft warm light · portraits & landscapes

Sky colors

Golden hour
Sunset
Afterglow

Light corridor: open

Why: The sun's path is clear at the height its low light travels, so the light can reach the clouds at sunset.

  • Light path: clear (7% blocking cloud at the ray's height)
  • Sun: clearly visible. The sun's path to the horizon reads open; the disc should be visible.
Viewer's line of sight, tangent to the Earth at your locationNear-ground relative humidity6% cover — too thin to draw as cloud8% cover — too thin to draw as cloudConnected cloud layer · 22–49% cover · 45–45% visual uncertaintyConnected cloud layer · 49–49% cover · 10–10% visual uncertaintyConnected cloud layer · 45–67% cover · 10–25% visual uncertaintyConnected cloud layer · 5–100% cover · 45–45% visual uncertaintyConnected cloud layer · 49–49% cover · 10–10% visual uncertaintyConnected cloud layer · 49–49% cover · 10–10% visual uncertaintyConnected cloud layer · 45–67% cover · 10–25% visual uncertaintyConnected cloud layer · 100–100% cover · 45–45% visual uncertaintyConnected cloud layer · 55–67% cover · 10–10% visual uncertaintyConnected cloud layer · 100–100% cover · 45–45% visual uncertaintyConnected cloud layer · 100–100% cover · 45–45% visual uncertaintyConnected cloud layer · 100–100% cover · 45–45% visual uncertaintyhigh cloud · 70% reported, 55% resolved on a pressure surface — 15% is somewhere between 8 and 12 km-5 km · the model says the lowest depicted cloud underside may catch red light · lit on one reading: the strongest cloud toward the sun was set aside, and counting it would have darkened this deck0 km · the model says the lowest depicted cloud underside may catch red light · lit on one reading: the strongest cloud toward the sun was set aside, and counting it would have darkened this deck5 km · the model says the lowest depicted cloud underside may catch red light20 km · the model says the lowest depicted cloud underside may catch red light

Terrain is drawn for illustration only — it is not used to calculate underlight or obstruction.

cloud-cover fieldinterpolation uncertaintysun directionnear-ground humiditycloud at unresolved heightmodelled underlightunderlight · height uncertainunderlight · lit on one readinglit but hidden behind nearer cloud

Forecast refreshed a few hours before sunset.

Know the light
before it happens

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For photographers: shooting Lac de Cheserys Mont Blanc Reflection

Best months

Late June to early October. July brings flowers and long evenings; late September can add autumn colour and clearer air.

Suggested focal lengths

16–35 mm for the pool and full massif; 50–100 mm for compressed peaks and reflected details.

Composition

Check several pools before unpacking. Get low enough to fill the foreground with water, but avoid trampling the soft edges; a small shift can remove overlapping peaks.

Recommended arrival

Reach the lakes 60–90 minutes before sunset and plan the entire descent with a headlamp.

Access planning

This is an exposed mountain hike. Lifts shorten some routes but may stop well before sunset, so confirm operating times and assume you may need to descend on foot.

Parking: Official parking or bus stops at Tré-le-Champ, Col des Montets or the selected lift station.

Approach: Typically 2–3 hours uphill from Tré-le-Champ; shorter only when combining operating lifts with the balcony trail.

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