London's festive calendar has another string of lights to add: a Christmas tree trail known as The Firefly Festive Forest, an after-dark walk where decorated and lit trees turn a section of the city into a glowing woodland scene. London-based listings site Secret London has flagged it as one of the season's standout seasonal outings, aimed at anyone who wants a proper festive atmosphere without booking a full Christmas market crawl.

The idea is simple and very photogenic: follow a marked route through trees dressed in festive lighting and decorations, with the glow doing most of the work. Trails like this have become a winter staple in the UK for good reason — they work for couples on a date night, families with young children, and groups who want something to do on a dark December evening that isn't another pub.

Because the source page couldn't be fully loaded, we can't confirm exact dates, ticket prices or session times for this year, so treat those details as things to verify before you go. In general, illuminated trails in London run from late November into early January, usually with timed-entry slots in the evening, and booking ahead is wise — the most popular weekends in December sell out fast. Expect the trail itself to take somewhere between 45 minutes and 90 minutes to wander at a relaxed pace.

A few tips apply to any London light trail: wrap up properly, as you'll be standing around outdoors in the cold; wear shoes you don't mind getting muddy if there's been rain; and check whether the event is cashless. Food and drink stalls — mulled wine, hot chocolate, street food — are a common feature at these events, so many people arrive hungry and make an evening of it.

Why should a traveller care? If you're visiting London in December, events like this fill the gap between the big-hitters — Winter Wonderland in Hyde Park, Kew Gardens' Christmas at Kew, the lights of Oxford Street and Regent Street — and give you a quieter, more atmospheric evening option. They also photograph beautifully, which is half the reason people book them.

Anyone planning a festive trip should build at least one illuminated evening walk into their itinerary, keep an eye on the organiser's official page for confirmed dates and pricing, and book a timed slot early rather than gambling on walk-up entry. For the specifics of The Firefly Festive Forest — exact location, dates and tickets — the original listing is the place to check.

Thanks to Secret London for the original listing.