There is a particular quality to fell light in the first hour after dawn. The sun sits low, shadows stretch long across the contours, and colours that look flat and grey at midday suddenly have depth. If you walk in the British hills regularly, learning to work with this light is one of the most rewarding skills you can develop. It costs you an early alarm and a headtorch ascent, but it rarely disappoints.

Why the first hour matters

Low sun skims across the landscape rather than striking it from above. That raking angle reveals every wrinkle in the ground: the grain of a scree slope, the tussocks on a boggy plateau, the ripple of wind on a tarn. Contrast is gentler too, so you can hold detail in both the bright sky and the shadowed valleys without resorting to heavy editing.

Colour temperature shifts as well. Before sunrise the fells take on cool blues and mauves. As the sun clears the horizon, it warms quickly, turning heather purple and bracken bronze. That transition might last only fifteen or twenty minutes, which is exactly why it pays to be in position early rather than walking towards a viewpoint as it happens.

There is also the practical advantage that few people are about. No rucksacks in the frame, no voices echoing across a corrie, no need to wait for someone to move out of shot. Quiet mornings on the hill are good for the photographs and good for the photographer.

Planning the walk and the light

Treat the photography as part of the navigation, not separate from it. Check the mountain weather forecast the evening before, paying attention to cloud base, wind speed and the chance of a temperature inversion. A clear, still, cold morning after a damp day often gives mist sitting in the valleys while the tops stand clear — one of the finest sights in the British hills.

Work out where the sun will rise and which direction it will throw light. A compass bearing and a rough sense of the season's sunrise position will do; you do not need anything complicated. Then choose a route that puts you on a ridge, a tarn shore or a summit shoulder about forty-five minutes before sunrise.

• Allow extra time for the walk in — headtorch pace on rough ground is slower than daylight pace.
• Note a couple of alternative viewpoints in case cloud or wind spoils your first choice.
• Carry a warm layer, hat and gloves; standing still in dawn air is far colder than walking.
• Take a flask. Waiting for light is much more pleasant with a hot drink in hand.

Kit and camera settings for low light

You do not need exotic equipment, but a tripod transforms what is possible. Light levels before sunrise are low enough that hand-holding will push your ISO uncomfortably high. A tripod also forces you to slow down, which is no bad thing when the light is changing minute by minute.

Start with an aperture around f/8 to f/11 for a good balance of sharpness and depth of field. Keep your ISO as low as the conditions allow, and let the shutter speed fall where it needs to — a few seconds is fine for static landscapes. Use a remote release or the two-second timer to avoid shaking the camera as you press the shutter.

A polarising filter helps control reflections on wet rock and tarns, though be careful with very wide lenses, as it can leave the sky uneven. A graduated neutral density filter, or a couple of bracketed frames, will help when the sky is much brighter than the land. Check your histogram rather than trusting the back of the screen in dim light, and remember that frost, dew and wet rock all read differently once the sun touches them.

Finding a foreground

A wide view of distant ridges is lovely to stand in front of but often dull as a photograph. What lifts a fell landscape is something close to the lens that anchors the eye and gives the scene scale.

• A granite boulder or outcrop catching the first warm light.
• Cotton grass, bog asphodel or wind-bent heather on a plateau.
• A tarn edge with reeds, or a curve of shingle and a reflection.
• A drystone wall snaking away, or a sheep track cutting through the turf.
• Frosted scree, wet slate or a runnel of water in a ghyll.

Get low. Crouching down brings foreground detail closer to the lens and makes it loom larger in the frame, creating depth between the near ground and the far skyline. Move your feet rather than zooming; small changes in position often reveal much better arrangements of rock, water and ridge.

Cloud shadows and changing light

On a morning with broken cloud, the light is never static. Shadows sweep across the fells, darkening one valley while illuminating the next. Rather than shooting constantly, watch for a few minutes and wait for the pattern you want — a lit summit with a shadowed foreground, or a bright band of hillside behind a darker ridge.

Look for edges. The line where sun meets shade across a hillside is often more interesting than either side alone. Mist burning off a tarn, or cloud lifting out of a corrie, gives you movement and atmosphere that no midday photograph can match.

Be patient, and be prepared to leave without the shot you imagined. The best morning images usually come from adapting to what the hill gives you, not from forcing a plan. And when the light goes flat, that is the signal to pack up, walk out slowly, and enjoy the fells waking up around you.