Walks you can reach from Tattenham Corner by train

National Trust heathland, a famous view and stepping stones; Headley Heath up to the top of Box Hill.

Woodland: half under tree cover.

Headley Heath: National Trust heathland on the North Downs near Box Hill.

Box Hill: A chalk hill with commanding views over Surrey and the South Downs.

Time: 5h (3h30 walking, 1h30 lunch)

Warnings: 275 steps down from Box Hill; can be muddy and busy near the stepping stones.

Walk details: Walking Post (tips, photos and local insights).

Open chalk downland, heathland, mixed woodland, forested hills, escarpment edges and quiet lanes.

Time: 6h30 (5h walking, 1h30 lunch)

Warnings: Easy to disorientate.

Walk details: the Saturday Walkers Club (tips, local insights and turn-by-turn directions).

Chalk grassland, ancient woodland and open farmland through Banstead Woods and Shabden Park, with gentle climbs and seasonal wildflowers.

Banstead Woods: Ancient woodland and chalk grassland rich in wildlife near Chipstead.

Shabden Park: A farm and parkland on the North Downs noted for wildflowers and butterflies.

Time: 3h30 (2h walking, 1h30 lunch)

Walk details: Surrey Hills National Landscape (turn-by-turn directions).

Happy Valley chalk grassland known for rare orchids and butterflies, woodland trails and part of the London LOOP.

Happy Valley: Scenic dry chalk valley rich in wildflowers and butterflies.

Time: 4h (2h30 walking, 1h30 lunch)

Walk details: Surrey Hills National Landscape (turn-by-turn directions).

North Downs walk from Tadworth over Banstead Heath and Colley Hill to Reigate, with heathland, sandstone caves and wide Surrey views.

Woodland: two fifths under tree cover.

Colley Hill: A chalk-down summit above Reigate offering panoramic views over the Weald.

Reigate Heath: A lowland heath on the edge of Reigate, home to a windmill church.

Time: 5h (3h30 walking, 1h30 lunch)

Walk details: Walking Post (tips, photos and local insights).

Ancient woodland, open chalk downs, open farmland, golf course fairways, quiet country lanes and semi-open downland.

Time: 5h30 (4h walking, 1h30 lunch)

Warnings: Can be muddy.

Walk details: the Saturday Walkers Club (tips, local insights and turn-by-turn directions).

Out of the suburbs and up the North Downs; Mayfield Lavender fields, ancient Banstead Woods, rolling commons.

Woodland: a third under tree cover.

Mayfield Lavender Farm: A lavender field on the North Downs near Banstead, open to walkers.

Banstead Woods: Ancient woodland and former medieval deer park near Chipstead.

Time: 4h30 (3h walking, 1h30 lunch)

Walk details: Walking Post (tips, photos and local insights).

Chalk grassland and downland through the South London Downs National Nature Reserve, with wildflowers, rare orchids and sweeping views toward London and Surrey.

Woodland: a fifth under tree cover.

Riddlesdown Common: Open chalk downland common managed by the City of London Corporation.

Riddlesdown Quarry: Disused 17th-century chalk quarry, now a wildlife haven.

Kenley Airfield: Former RAF station and key Battle of Britain fighter base, now a scheduled monument.

Kenley Common: Open common bordering the former airfield.

Coulsdon Common: Chalk grassland common.

Happy Valley: Scenic dry chalk valley rich in wildflowers and butterflies.

Devilsden Wood: Ancient woodland on the side of Happy Valley.

Farthing Downs: Open chalk downland with views over the North Downs.

Time: 4h30 (3h walking, 1h30 lunch)

2 lunch spots: the Wattenden Arms, or the Fox

Warnings: Steep stepped descent to Whyteleafe and a sharp incline up to Kenley Airfield; railway footbridge at Stumps Lane is tucked behind a garage off the A22.

Walk details: Walking Post (tips, photos and local insights).

Similar walk: the Saturday Walkers Club.

Woodland: a quarter under tree cover.

Time: 5h30 (4h walking, 1h30 lunch)

1 lunch spot: the Harrow Pub (2h in)

1 end-of-walk reward: the Home Cottage

Warnings: Pleasant but apparent that you haven't left London.

Source: Trains2Green.

Golf course fairways, open farmland, quiet country lanes, long strip woodland and semi-open downland.

Time: 4h (2h30 walking, 1h30 lunch)

Warnings: Can be muddy.

Source: An alternative variant of Chipstead to Kingswood (Saturday Walkers Club).

Heathland, North Downs escarpment with fine views, parkland and golf course.

Time: 4h (2h30 walking, 1h30 lunch)

Warnings: M25 noise audible.

Source: A shorter variant of Tattenham Corner Circular (Saturday Walkers Club).

Chalk downland, commons, wooded valleys, Happy Valley, airfield perimeter and restored grassland.

Time: 5h (3h30 walking, 1h30 lunch)

Warnings: Can be muddy.

Source: An alternative variant of Whyteleafe Circular (Saturday Walkers Club).