A Century Of Sparkle: Altadena’s Iconic Christmas Tree Lane Continues The Nation’s Oldest Holiday Tradition This Weekend

Tucked into the foothills of Altadena, there’s a stretch of road that transforms every December into something out of a winter fairytale. Christmas Tree Lane is “the oldest large-scale outdoor Christmas display in the world” with a mile-long corridor of towering deodar cedars that glow with thousands of twinkling lights. Planted in the 1880s for a grand estate that was never built, these trees have instead become the backbone of one of the nation’s oldest holiday traditions. It’s been lighting up hearts with [holiday cheer](https://secretlosangeles.com/holiday-events-la/) since 1920. 🎄 Annual Lighting Ceremony -------------------------- The Lighting Ceremony marks the official kickoff to the Christmas Tree Lane season and launches a month of holiday magic beneath Altadena’s iconic trees. Expect a full community celebration , complete with: * Live performances by local choirs, marching bands, and musicians * Special guests and community speakers * A visit from [Santa Claus](https://secretlosangeles.com/secret-santa-spots-in-la-2025/) * The lighting of over 10,000 twinkling lights Together, the crowd will count down to the moment the entire mile of deodars bursts into a warm, festive glow. 🎄A Community-Powered Holiday Tradition -------------------------------------- Behind every twinkling bulb is the dedication of the all-volunteer Christmas Tree Lane Association. This team spends months maintaining the century-old deodar trees and stringing lights by hand, preserving a tradition that has illuminated Altadena for generations. Their work keeps the Lane glowing year after year—not just lighting a street, but igniting a sense of community and continuity that defines the holiday season. 📅 When: December 6, 2025 at 6:00pm 📍 Where: Santa Rosa Avenue & Mariposa Street, Altadena, CA 🎟️ Admission: Free & open to the public Source: https://secretlosangeles.com/christmas-tree-lane-altadena/