The only two I could find were more Portland than Beaverton:

Winter Solstice Comes to the Tryon Creek Forest

Sunday, December 17 · 10am - 12pm PST

Join Environmental Educator Roland Begin for a walk through the Tryon Creek forest. On this hike, we'll talk about the winter solstice and some of the key adaptations that plants and animals have to get through our PNW winters.

and

Winter Solstice Celebration

Thu, Dec 21, 2023 at 9:00 AM

Leach Botanical Garden, 6704 SE 122nd Ave, Portland, OR, 97236

Drop by the garden on the shortest day and longest night of the year for a special event. Decorate a rock, leave a note on the 2023 Gratitude Tree, and enjoy warm drinks by the fire. Bring your friends and family for a cozy time as we mark the turning point of the season and welcome the gradual return of light. Let's celebrate the significance of this day and share our gratitude together amidst the beauty of the winter garden.

$5 for Adults

18 and under free

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