Alder Grove Event Center

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Raw space venue

The venue will provide just the space. You’ll bring in your own caterer and vendors.

Full wedding (ceremony and reception) pricing

Starting at $4,000

Guest capacity

Up to 400 seated guests

About this venue

Tucked into the towering evergreens of southwest Washington, Alder Grove is a private open-air event venue located three miles west of Castle Rock, WA — the official Gateway to Mount St. Helens. Set on the former historic Crosby family tree farm at 445 Growlers Gulch Road, just off PH10 (Postal Highway 10), Alder Grove was built for moments that deserve more than four walls: fairytale outdoor weddings beneath a canopy of native alders and Douglas firs, corporate retreats, family reunions, and live outdoor concerts framed by sweeping views of Mt. Rainier from the ceremony grounds, with Mt. St. Helens rising to the east. The grounds blend professionally landscaped gardens with wild forest character: manicured lawn space for ceremonies and seated dinners flows naturally into wooded trails, water features, and quiet clearings perfect for portraits, golden-hour photography, and intimate conversation.

Seated guest capacity

  • 400

Venue type

  • Parks, Gardens

Venue setting

  • Outdoor
445 Growlers Gulch, Castle Rock, WA 98611

Our event spaces

Alder Grove Event Center

Majestic mountain views and natural PNW wonder.

Immerse your celebration in the breathtaking beauty of the Pacific Northwest across our sprawling outdoor grounds. Framed by mature tree canopies from a historic tree farm and meticulously maintained gardens, this picturesque setting features expansive open meadows and winding wooded paths. Exchange your vows on a pristine lawn with majestic distant views of Mt. Rainier, creating a dramatic, naturally stunning backdrop for your ceremony and photos. As day turns to evening, the open-air layout transitions seamlessly into a magical space for dining, dancing, and celebrating under the open sky.

Ideal for

Wedding ceremony, Wedding reception, Rehearsal dinner, Wedding shower, Welcome party, Farewell brunch, Cocktail hour, Engagement party, After party, Elopement, Other

Guests often feel this space is

“Warm and cozy”

Alder Grove Event Center

Majestic mountain views and natural PNW wonder.

Immerse your celebration in the breathtaking beauty of the Pacific Northwest across our sprawling outdoor grounds. Framed by mature tree canopies from a historic tree farm and meticulously maintained gardens, this picturesque setting features expansive open meadows and winding wooded paths. Exchange your vows on a pristine lawn with majestic distant views of Mt. Rainier, creating a dramatic, naturally stunning backdrop for your ceremony and photos. As day turns to evening, the open-air layout transitions seamlessly into a magical space for dining, dancing, and celebrating under the open sky.

Ideal for

Wedding ceremony, Wedding reception, Rehearsal dinner, Wedding shower, Welcome party, Farewell brunch, Cocktail hour, Engagement party, After party, Elopement, Other

Guests often feel this space is

“Warm and cozy”

Available services that can be provided by Alder Grove Event Center

Services & amenities

  • Dressing room / Bridal Suite
  • Wheelchair accessible

Transportation & access

  • Self parking - free
  • Wheelchair accessible

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