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Photo locations · Chamonix · France

Lac de Cheserys Mont Blanc Reflection: sunrise 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.

Sunset tomorrowSunset TuesdaySunset Wednesday

Will tomorrow's sunrise 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 9h 42m

Blocked grey lid

Little usable low-sun light expected

Sky colors

Golden hour
Sunrise

Light corridor: blocked

Why: Thick cloud along the sun's path is likely to stop the low light.

  • Light path: blocked (100% blocking cloud at the ray's height)
  • Sun: likely hidden. Low cloud fills the horizon (74%); the sun will probably stay behind it.
  • Cloud: the low sun comes down through a high cloud sheet toward the sun (100% at 109–237 km); expect pale, weak golden light.
Viewer's line of sight, tangent to the Earth at your locationNear-ground relative humidity14% cover — too thin to draw as cloud15% cover — too thin to draw as cloud13% cover — too thin to draw as cloud6% cover — too thin to draw as cloud11% cover — too thin to draw as cloud13% cover — too thin to draw as cloud16% cover — too thin to draw as cloudConnected cloud layer · 0–100% cover · 45–100% visual uncertaintyConnected cloud layer · 0–100% cover · 10–65% visual uncertaintyConnected cloud layer · 26–100% cover · 45–65% visual uncertaintyConnected cloud layer · 0–100% cover · 10–65% visual uncertaintyConnected cloud layer · 61–61% cover · 10–10% visual uncertaintyConnected cloud layer · 52–52% cover · 10–10% visual uncertaintyConnected cloud layer · 79–100% cover · 45–65% visual uncertaintyConnected cloud layer · 81–81% cover · 10–10% visual uncertaintyConnected cloud layer · 61–61% cover · 10–10% visual uncertaintyConnected cloud layer · 52–52% cover · 10–10% visual uncertaintyConnected cloud layer · 45–64% cover · 10–10% visual uncertaintyConnected cloud layer · 44–100% cover · 45–45% visual uncertaintyConnected cloud layer · 0–100% cover · 45–65% visual uncertaintyConnected cloud layer · 53–70% cover · 45–45% visual uncertaintyConnected cloud layer · 79–100% cover · 45–65% visual uncertaintyConnected cloud layer · 81–81% cover · 10–10% visual uncertaintyConnected cloud layer · 93–100% cover · 10–10% visual uncertaintyConnected cloud layer · 0–100% cover · 45–65% visual uncertaintyConnected cloud layer · 70–70% cover · 10–10% visual uncertaintyConnected cloud layer · 100–100% cover · 45–45% visual uncertaintyConnected cloud layer · 93–100% cover · 10–10% visual uncertaintyConnected cloud layer · 42–100% cover · 45–65% visual uncertainty0 km · 1.6 km of air with no pressure level in it — the decks above and below are measured, this span is not0 km · 2.0 km of air with no pressure level in it — the decks above and below are measured, this span is not20 km · 1.6 km of air with no pressure level in it — the decks above and below are measured, this span is not20 km · 2.0 km of air with no pressure level in it — the decks above and below are measured, this span is not100 km · 1.6 km of air with no pressure level in it — the decks above and below are measured, this span is notlow cloud · 83% reported, 0% resolved on a pressure surface — 83% is somewhere between 2.45 and 3 kmhigh cloud · 67% reported, 50% resolved on a pressure surface — 17% is somewhere between 8 and 12 kmlow cloud · 47% reported, 14% resolved on a pressure surface — 33% is somewhere between 1.47 and 3 kmmid cloud · 81% reported, 64% resolved on a pressure surface — 17% is somewhere between 3 and 8 kmhigh cloud · 70% reported, 50% resolved on a pressure surface — 20% is somewhere between 8 and 12 kmlow cloud · 51% reported, 34% resolved on a pressure surface — 17% is somewhere between 1.95 and 3 kmhigh cloud · 100% reported, 70% resolved on a pressure surface — 30% is somewhere between 8 and 12 km-5 km · the model says the lowest depicted cloud underside may catch orange 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 light · lit on one reading: the strongest cloud toward the sun was set aside, and counting it would have darkened this deck100 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 sunrise.

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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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