Fall rarely arrives all at once.

There isn’t usually a single morning when you wake up and suddenly the whole world has changed. Instead, it seems to slip quietly into the landscape—a cooler breeze, a few golden leaves, an acorn beneath your feet. If you slow down enough to notice, there are little clues everywhere.

Here are five of my favorite signs that fall has begun to find its way into my neck of the woods.

1. The first leaves begin to change

It usually starts with just a few. One bright red leaf tucked among a sea of green. A branch turning golden at the very top of a tree. A single leaf that has somehow found its way onto the sidewalk before the rest of the tree is ready to follow.

I love these early signs because they make you pay attention. Once you notice the first changing leaves, you start looking for more. And before long, you’re seeing autumn everywhere.

2. Acorns begin appearing underfoot

There is something wonderfully autumnal about the sound of an acorn landing on the trail. Suddenly they are scattered everywhere—beneath oak trees, along paths, tucked into the grass and hidden beneath fallen leaves.

It’s easy to walk right past them, but every once in a while I’ll stop to notice their different shapes and colors. Some are still nestled in their little cups. Some are perfectly smooth and polished. Others have already begun to disappear into the forest floor.

A tiny reminder that the woods are always busy preparing for what’s next.

3. Mushrooms seem to appear overnight

One day the trail is ordinary. The next, there is a tiny mushroom growing beside it.

Fall is such a good season for these little woodland discoveries. Mushrooms appear in places you may have walked past dozens of times, as though they’ve been quietly waiting for the right moment to make an appearance.

They are one of my favorite reasons to look down while walking. You never quite know what you’ll find.

4. The woods begin to sound different

We often notice the changing season with our eyes, but autumn has a sound, too.

The crunch of leaves beneath your shoes.

The rustle of a breeze moving through branches.

The quieter hum of insects.

The calls of birds carrying differently through the cooler air.

Even the familiar paths can feel a little different when the sounds around you begin to change. Sometimes the best thing you can do is stop walking for a moment and simply listen.

5. You find yourself slowing down

Maybe this is my favorite sign of all. Something about fall makes me want to linger. To take the longer way home. To stop and look at a tree. To notice the shape of a feather on the trail or the way the afternoon light falls through the branches.

The days are getting shorter, and somehow that makes the little moments feel more noticeable.

A walk doesn’t have to be far or adventurous to become an adventure. Sometimes all it takes is paying attention.

A season of little discoveries

Fall doesn’t announce itself with a grand entrance. It arrives in small clues.

A red leaf. An acorn. A mushroom. A familiar trail that suddenly sounds different.

And maybe that’s one of the things I love most about this time of year: it gives us another reason to slow down and notice the little things that have been there all along.

So the next time you’re out for a walk, keep your eyes open. You might find that autumn has already arrived.