Start by Halving the Distance

A mile looks like nothing on the map. You could walk it in twenty minutes with a coffee in one hand and the dog lead in the other. A toddler in wellies covers the same ground in anything from an hour to an hour and a half, and that is before you count the puddles. So the single most useful thing you can do is plan for half the distance you think you need. Half a mile out and half a mile back is a proper morning's adventure for a two- or three-year-old.

Where possible, choose a there-and-back route rather than a loop. Loops look tidy on paper, but if little legs tire halfway round you are stuck with a carry and a buggy-less trudge. An out-and-back lets you turn at any gate, bridge or bench, and the walk home is always familiar.

Then add a generous buffer. A walk you would finish in forty-five minutes should get a two-hour slot in the day. That way you never have to hurry a child past something interesting, and you never find yourself striding ahead saying "come on" for the fourth time in five minutes.

Choosing a Route That Suits Small Wellies

The best toddler walks share a set of simple features: flat ground, wide surfaces, and water you can see but do not have to fear. A riverside path beside a shallow brook is close to ideal. So is a disused railway line, a canal towpath, a nature reserve with boardwalks, or a gravel track through a country park.

Aim to avoid:

• Stiles, which mean lifting a wriggling child over a fence with a rucksack on your back
• Steep steps, slippery roots and exposed banks above deep or fast water
• Fields with cattle, especially where a footpath runs through the middle
• Paths that squeeze alongside a busy road with no verge
• Weirs, sluices and mill races, which look gentle and are not

Gates are fine, particularly kissing gates, which toddlers love. A paper map at 1:25,000 scale will show footpaths, bridges, woods and streams clearly enough to plan by, and it never runs out of battery. If you can, walk the route yourself first, or pick somewhere a friend already knows. Knowing that the muddy patch is only ankle-deep and the next bench is five minutes away makes the whole outing calmer.

What Goes in the Rucksack

Pack for a walk that is short in distance but long in time. You want layers rather than bulk, and you want to be able to reach everything without taking the bag off.

• Spare socks and a full change of trousers — wellies keep water out, but children find a way
• Snacks that survive being sat on: oatcakes, cheese, grapes, a flask of something warm
• A small towel or cloth for wet hands and muddy faces
• Waterproof coat and overtrousers, plus a hat and gloves out of season
• A carrier bag for the muddy, sodden wellies on the way home
• A fruit net, a small bucket or an old spoon for stone-and-shell collecting
• Suncream and a hat in summer, even on a cloudy day

Keep the snacks in an outside pocket. Stopping for a biscuit on a fallen log is often the highlight of the whole trip, and it is much easier to produce one quickly than to unload the bag while a small person howls.

Let the Brook Set the Pace

Once you are beside water, the walk stops being about distance. A brook is a whole afternoon's worth of things to look at, and a toddler will find most of them without any help from you.

Expect to stop. Expect to stop a great deal. Throwing stones into a stream can easily occupy twenty minutes, and that is not a delay, it is the point of the outing. Pooh sticks from a low bridge is a fine game, as is watching leaves race each other under an arch. In shallow, clear water you might spot minnows, water boatmen skittering across the surface, caddis cases made of tiny gravel, or a heron standing perfectly still on the far bank. Dippers and grey wagtails turn up on faster, stonier streams, and a kingfisher is always a possibility if you keep your voice low.

Talk about what you can see: the moss on the stones, the way the water bends around a rock, the smell after rain. Curiosity is contagious, and a child who is busy noticing things is not asking to be carried.

Weather, Warmth and Knowing When to Turn Back

Wellies are wonderful, but they are not warm once water comes over the top. Check the depth before letting a toddler wade, and keep them to the shallow, gravelly edges. Wet feet and cold hands end walks early, so bring the spare socks even if the sun is shining.

Set yourself a turnaround time before you set off, and stick to it even if everyone is happy. The trick is to head back while the mood is still good, rather than after the first proper meltdown. If your child is walking well, the return leg is often faster; if they are tired, it can be slower, so leave room.

Finally, remember what this walk is for. It is not a route to be completed. It is an hour or two beside running water, with snacks, wellies and somebody small discovering that the world is full of interesting things. Get that right, and the longer walks will come on their own.