Serene Arcata California Marsh & Wildlife Sanctuary

The Arcata Marsh and Wildlife Sanctuary is an ideal destination for nature lovers, bird watchers and wildlife seekers. Situated on the edge of Humboldt Bay, the 307-acre sanctuary is home to a widely varied range of constructed wetlands, including fresh and saltwater marshes, mudflats, tidal sloughs, and grassy uplands that all serve as a natural filter for the Arcata wastewater treatment plant. Popular for outdoor recreation, visitors can enjoy exploring on five miles of scenic walking and biking paths and searching for birds and wildlife. The Arcata Marsh is open daily, 4am until one hour after sunset. The Arcata Marsh Interpretive Center is open Mondays, 1-5pm and Tuesday-Sunday, 9am-5pm. Free

  • Free lectures
  • Guided bird and marsh walks
  • Monthly art exhibits
  • Godwit Spring Bird Festival

The Friends of the Arcata Marsh offer guided walks starting from the Interpretive Center every Saturday at 2pm. The Redwood Region Audubon Society offers guided birding walks starting from the South I Street parking lot every Saturday at 8:30am. No reservations are necessary for the Friends of the Arcata Marsh or Redwood Region Audubon Society tours. Free docent guided walks are offered for groups with two-week advance notice. Visit for more information. The Arcata Marsh and Wildlife Sanctuary is a fabulous place to get out and enjoy walking with nature. The sanctuary is home to more than five miles of walking and biking trails surrounded by 225 acres of stunning scenery and a profusion of local wildlife and birds. Leashed dogs are allowed on all trails.