Waddell Creek Association

Waddell Creek Association Provides resources and support for volunteer and educational programs at Rancho del Oso/Big Basin Redwoods State Park.

Waddell Creek Association is a non profit organization, working in cooperation with California State Parks. Donations can be made at https://ranchodeloso.org/donate/

Happy International Women’s Day and Women’s History Month! 💙Hulda Hoover McLean (1906-2006) was a naturalist, writer, ar...
03/08/2026

Happy International Women’s Day and Women’s History Month! 💙

Hulda Hoover McLean (1906-2006) was a naturalist, writer, artist, teacher, farmer, business woman and civic leader whose former home became the Rancho del Oso Nature and History Center. 🐻

Hulda was an inspiring person and pioneer of women’s rights. She was the only woman on the Santa Cruz County Board of Supervisors from 1956-1963. While on the board she worked on major projects including: establishing UC Santa Cruz with the state and building a new Santa Cruz County Courthouse. She was defeated in her attempts to route Highway One along the edge of the city instead of through Mission Street and to control dust emission from the Davenport cement plant.

“Being a woman on the board at this time, when almost no women were ever elected to anything, had its special problems. For instance, if I asked the sheriff about a budget item, the newspapers reported ‘Mrs McLean attacks sheriff.’ If another board member asked the same question, it was just considered a request for information.”

“I ran for reelection but was defeated. My opponent was a young business man who had been a war hero. He campaigned the issue ‘It’s no job for a woman.’ “

Her uncle, Herbert Hoover, was the 31st president of the United States. 🇺🇸

Still curious about her life? 👀 Her detailed and fascinating autobiography “Almost a Hundred Years” is available through the Santa Cruz Public Library System and also online. 📚

We think you need some Rancho del Oso-inspired valentines 🙈😻Send these to the special people in your life 💚
02/13/2026

We think you need some Rancho del Oso-inspired valentines 🙈😻

Send these to the special people in your life 💚

I’d rather be out with the slugs ✨💛⭐️
01/30/2026

I’d rather be out with the slugs ✨💛⭐️

What a perfect spot for lunch on our Hoover Loop Trail! 🥾😋🪾
01/28/2026

What a perfect spot for lunch on our Hoover Loop Trail! 🥾😋🪾

Have you seen our resident bobcat? 🐱✨🌲Our friendly RDO bobcat has been popping by recently, making frequent visits to th...
01/18/2026

Have you seen our resident bobcat? 🐱✨🌲

Our friendly RDO bobcat has been popping by recently, making frequent visits to the nature center as well as some of the trails, leaving lots of paw prints in our fresh mud. 🐾

Who is this incredible creature? 👀It’s the Dusky-Footed Woodrat! 💚 Making a special daytime appearance outside of its di...
10/21/2025

Who is this incredible creature? 👀

It’s the Dusky-Footed Woodrat! 💚 Making a special daytime appearance outside of its distinguished dwelling. This small friend is a resident of the Rancho del Oso area and frequently builds beautiful homes along some of our trails. Have you come across their architectural wonders? 🏠 If you look closely among the trees you can see massive nests created from branches, leaves, bark, and other natural materials. As messy as this may look, these woodrats are very organized and clean with specified rooms for eating, sleeping, and raising little ones. 🐀💕

To learn more about our dusky-footed friends, come join us for…

⭐️Nest Fest on October 25, 2025 from 11am-4pm at 📍Rancho del Oso Nature and History Center! For more information on Nest Fest check out our flyer instagram!

Thank you to Dr. Sheldon Logan for this incredible woodrat picture! Please check out his work 📸

Have you taken the quiz? Link in the comments below!
09/20/2025

Have you taken the quiz? Link in the comments below!

Link in our bio! ☀️Have you ever wondered which of the seven RDO ecosystems you are? Well wonder no longer, take our per...
09/20/2025

Link in our bio! ☀️

Have you ever wondered which of the seven RDO ecosystems you are? Well wonder no longer, take our personality quiz to find out! The link is in our bio!🤩⛰️

Comment below with your ecosystem! 🗣️

09/18/2025

Relax for a while and take in the wonderful sights and sounds of Rancho del Oso 🌲

Use headphones for the full experience 🎧

Rancho del Oso contains seven unique ecosystems: Coastal Strand, Coastal Scrub, Marsh, Riparian, Redwood Forest, Monterey Pine Forest, and the Mixed Evergreen Forest. During our short walk through some of these ecosystems we come across a variety of critters:

🐞Largus californicus nymph
🐞Largus succinctus (bordered plant bug or red bug)
🦋Lon melane (Umber Skipper)
..and some wonderful birds, some heard and not seen 📢
🐦Red-tailed hawk
🐦Acorn woodpecker

Do you recognize any other bird calls? Leave a comment and let us know! 🌸

Hey teachers! This year consider taking your students to Rancho del Oso Nature and History Center! 🌻 We accept classes o...
09/02/2025

Hey teachers! This year consider taking your students to Rancho del Oso Nature and History Center! 🌻 We accept classes of all ages and are more than happy to work with you on programs that fit your curriculum and educational goals.

Past focuses of field trips have included seeds and how invasive species spread, wildfires and nature’s recovery, human impact and opportunities to help nature, and the seven different ecosystems of Rancho del Oso. 🌿

To register your class or for additional information please contact us by emailing [email protected] or call (669) 758-1600. Come and explore with us! 🧭

JOIN US SATURDAY, AUGUST 9 FOR A DAY OF CULTURAL HISTORY AT RANCHO DEL OSOCELEBRATING  HULDA HOOVER McLEANNaturalist, wr...
08/04/2025

JOIN US SATURDAY, AUGUST 9 FOR A DAY OF CULTURAL HISTORY AT RANCHO DEL OSO
CELEBRATING HULDA HOOVER McLEAN
Naturalist, writer, artist, teacher, and civic leader whose home
became the Rancho del Oso Nature & History Center 40 years ago.
The Center will be open from 10am – 4pm
11am Naturalist and educator Diane West-Bourke, who spent many years at Rancho del Oso with Hulda, will talk about her time there.
1pm Diane will lead a guided hike, “through Hulda’s eyes”.
1pm Watercolor workshop with Erika Perloff will also be offered (registration closed).
3pm Nature journaling (click link in comments to register).
There will be displays and a video about Hulda in the Nature Center as well.

Address

3600 Highway 1
Santa Cruz, CA
95017

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