歡迎參加 🏃 北加州台大校友Meetup Club: 旅遊、登山、交友群🏃
北加州台大校友Meetup club屬校友間自願參加的交友群,沒有正式組織 。行程中每位參與者都應相互協助,得自行準備各種山野活動或旅遊行程所需用品,包括登山裝備 、 飲食、醫藥、和各項可能費用如門票、交通、停車、保險...等費用,並承擔各種可能的風險。行前有問題可在Line 群中討論。
🟢 General Safety from Open Space.org
Midpen Open Space trails are generally very safe. However, you are entering an environment where there are some naturally occurring hazards. Reasonable caution and common sense should be utilized when venturing into any outdoor environment.
🔸 日期/時間 : 1/24/2026 星期六 8:00
🔸 集合地點 : Palo Alto Pearson-Arastradero Preserve
🔸 參考路線 2 trails:
1. Redtail Loop Trail https://maps.app.goo.gl/TMEL3U64maSAqyBN9
2. Juan Bautista de Anza Trail, Arastradero Creek Trail & more
https://maps.app.goo.gl/Psz2BNrbWG9dibL87 來回約 7 miles 時間 4 小時左右
🔸 Google Map : https://maps.app.goo.gl/hGct3bVmBLYxn8SW6
🔸 活動詳情 : https://tinyurl.com/TaidaMeetupFlyer
🔸 報名連結 : https://tinyurl.com/TaidaMeetupReg (1/3開始報名)
🔸 請注意: No dogs/pets allowed
🟢 Online flyer https://tinyurl.com/TaidaMeetupFlyer
🔸 日期/時間 : 12/13/2025 星期六
🔸 地點 : Toyon Trail, Old Spanish Trail
and Coal Mine Ridge Loop
Google Map :
https://maps.app.goo.gl/cpGMvDxXDght8c5Y9?g_st=ipc
🔸 日期/時間 : 11/15/2025 星期六
🔸 地點 : Palo Alto Baylands Nature Preserve Trailhead
Google Map : https://goo.gl/maps/Xss4FknwXKFaW5vg9
🔸 路線: 來回約7-8 miles,約4.5 小時,
🔸 日期/時間 : 10/18/2025 星期六
🔸 地點 : Saratoga Quarry Park
Google Map : https://goo.gl/maps/adguf7jN8ie9HCzu9
🔸 日期/時間 : 9/20/2025 星期六
🔸 地點 : Wunderlich County Park Parking Lot
Google Map :
https://maps.app.goo.gl/Fp6uZ2EhKVKrKY8n8
🔸 日期/時間 : 8/2/2025 星期六
🔸 地點 : El Corte de Madera Creek Preserve Parking Lot
Google Map :
🔸 日期/時間 : 6/28/2025 星期六
🔸 地點 : Windy Hill Open Space Preserve via Hamms
Gulch and Lost Trail
Google Map :
🔸 日期/時間 : 5/31/2025 星期六
🔸 地點 : Arastradero Preserve Parking Lot, Palo Alto
Google Map :
https://maps.app.goo.gl/hGct3bVmBLYxn8SW6
Hiking at Rancho Cañada del Oro Open Space Preserve
🔸 日期/時間 : 5/3/2025 星期六
🔸 地點 : Rancho Cañada del Oro Open Space Preserve
4289 Casa Loma Rd, Morgan Hill, CA
Google Map Link
https://goo.gl/maps/wywVGJhHPF3vjngk8
🔸 停車: 免費停車位,但天氣晴朗的週末, 來此健行的人也
不少。請提早到,預留找停車位時間.
🔸 路線: 全程來回約5.0 miles, Elevation gain 685ft:
難度Moderate。
參考路線
https://www.alltrails.com/trail/us/california/llagas-creek-loop-trail & https://www.alltrails.com/trail/us/california/mayfair-ranch-and-longwall-canyon-loop。
🔸 建議: 穿輕便登山鞋、帶帽子、登山杖、drinks/water、
snacks、refreshments or light lunch、sunglasses、
sunscreen SPF 15 or higher。
🔸 請注意: No dogs/pets allowed
🟢 請看下列更多資料:
Rancho Cañada del Oro Open Space Preserve
Rancho Cañada del Oro Open Space Preserve is located in the foothills of the Santa Cruz Mountains in South Santa Clara County. Two glistening creeks run through mixed oak woodlands and grasslands. Deer, bobcats, foxes and other wildlife roam throughout the preserve. In the spring months, wildflowers adorn the meadows and hillsides.
This preserve contains 12 miles of multi-use trails, which provide full nature experiences for visitors. In 2024, the Open Space Authority completed construction connecting the accessible Llagas Creek Loop Trail to a newly-installed bridge over Llagas Creek.
https://www.openspaceauthority.org/preserve/rancho-canada-del-oro
Map of Rancho Cañada del Oro Open Space Preserve
https://www.openspaceauthority.org/sites/default/files/2025-03/RCAN%20Brochure%202025-02.pdf
🟢 Know Before You Go
https://www.openspaceauthority.org/preserve/rancho-canada-del-oro
Hiking at Santa Clara County Calero Park
🔸 日期/時間 : 4/5/2025 星期六
🔸 地點 : Calero County Park Main entrance
at McKean Road
Google Map
https://maps.app.goo.gl/eS8RRGqGUuCJhRWX7
🔸 停車: 免費停車位,但天氣晴朗的週末, 來此健行的人也
不少。請提早到,預留找停車位時間.
🔸 路線: 全程來回約5.5 miles, Elevation gain 685ft:
難度Moderate。
參考路線:
https://maps.app.goo.gl/LXdPeUjQLLKHM9xx9?g_st=il。
🔸 建議: 穿輕便登山鞋、帶帽子、drinks/water、snacks、
refreshments or light lunch、sunglasses、sunscreen
SPF 15 or higher。
🔸 請注意: No dogs/pets allowed
🟢 請看下列更多資料:
Calero County Park, Los Cerritos, Pena, Figueroa Loop
This is an enjoyable loop trail near Morgan Hill. There is minimal shade along this route, so make sure you wear sun protection and stay hydrated. Along the way, visitors will be treated to lovely views, and during spring, wildflowers add color to the surrounding landscape. Bathrooms and parking are near the trailhead.
Calero County Park info
https://parks.santaclaracounty.gov/locations/calero-county-park
Rules of Santa Clara County parks
https://parks.santaclaracounty.gov/plan-your-visit/park-rules
Calero Park Los Cerritos, Pena, Figueroa Loop info on
Alltrails:
https://www.alltrails.com/trail/us/california/los-cerritos-pena-figueroa-loop
Birdwatching & Hiking at Palo Alto Baylands Nature Preserve
🔸 日期/時間 : 2/1/2025 星期六
🔸 地點 : Palo Alto Baylands Nature Preserve Trailhead,
Palo Alto, CA
Google Map https://tinyurl.com/PA-BaylandsTrailHead or
https://goo.gl/maps/Xss4FknwXKFaW5vg9
🔸 Direction: 從 101 號高速公路,在San Antonio Rd 出口。
向北行駛,到達San Antonio Rd 的盡頭。沿著街道右轉到
Terminal Blvd。集合點位於Terminal Blvd 和 San Antonio
交界處附近的北側。
🔸 停車: 有不少免費路邊停車位,但天氣晴朗的週末, 來此
健行的人也不。請提早到,預留找停車位時間.
Terminal Blvd 上有很路邊停車位。停好車後,您得走回
Terminal Blvd 和 San Antonio交界處集合點。
🔸 路線: 全程來回約7-9 miles,most is easy hiking route。
參考路線:
https://maps.app.goo.gl/vNeVtGfqeynGSqAE7。
🔸 建議: 帶Binoculars、帽子、drinks、snacks and
refreshments or light lunch、穿保暖衣物、輕便登山鞋。
🔸 請注意: No dogs/pets allowed
🟢 請看下列更多資料:
Palo Alto Baylands Nature Preserve
佔地 1,940 英畝 是舊金山灣現存最大的保持原狀沼澤地之一,有十五英里的小徑聯結獨特的潮汐鹹水和河流淡水混合棲息地。許多人認為該地區是西海岸最好的觀鳥區之一。該保護區擁有大量常駐鳥類,也是鳥類太平洋遷徙路線上的主要中途停留區。
Palo Alto Baylands Nature Preserve Official Site
http://www.rhorii.com/PABaylands/PABaylands.html
Map of Palo Alto Baylands Nature Preserve
https://web.stanford.edu/~kendric/birds/PondMaps/images/PAmap.gif
Hiking at Stevens Creek County Park & Fremont Older Preserve
🔸 日期/時間 : 11/30/2024 星期六
🔸 地點 : Stevens Creek Chestnut Parking Lot and
fee station
Google Map Link
https://maps.app.goo.gl/jV6S6iP6ucyB8Sbn7
🔸 停車: 停車場收費$6,天氣晴朗的週末, 來此健行的不
少。 請提早到,預留找停車位時間。
County Park Daily Entry fee $6. Santa Clara County
Library now offers free vehicle entry passes to County
Parks for library card holders. You can checkout one
pass which is good for 3 weeks, but that may take some
time to get it. So, do it early.
🔸 路線: 全程來回約6.5 miles, moderately challenging有些部
分相當陡峭。我們將在Stevens Creek County Park停
車. Hike to Fremont Older Preserve and back to County
Park.。
參考路線:
https://maps.app.goo.gl/YGQVzCvnv7h12q136。
🔸 建議: 帶遮陽帽子、水、登山杖、snacks、為免受蚊蟲
咬,請穿長褲、輕便登山鞋。
🔸 請注意: No dogs/pets allowed
🟢 請看下列更多資料:
Palo Alto Baylands Nature Preserve
Official Site of Stevens Creek County Park
https://parks.santaclaracounty.gov/locations/stevens-creek-county-park
Rules of Santa Clara County parks
https://parks.santaclaracounty.gov/plan-your-visit/park-rules
Fremont Older Preserve
Hiking & Birdwatching at Baylands Nature Preserve
🔸 日期/時間 : 10/26/2024 星期六
🔸 地點 : Baylands Nature Preserve Parking Lot,
Palo Alto, CA
Google Map
https://maps.app.goo.gl/N7X443o4EAs7X3Wj8
🔸停車: 免費停車場免費, 但天氣晴朗的週末, 來此健行的人
也不少。 請提早到,預留找停車位時間。
The parking lot is 3 minutes walks from
Lucy Evens Baylands Nature Interpretive Center
2775 Embarcadero Rd, Palo Alto, CA 94303
🔸路線: 全程來回約5-6 miles, 路線幾乎都平坦易行。
路線參考: https://www.alltrails.com/explore/trail/us/california/adobe-creek-trail & https://www.alltrails.com/explore/trail/us/california/cooley-landing-trail
🔸請注意: 可以帶狗來,但要遵守City的規定。
Dogs must be on a leash and under control at all times &
more:
🔸建議: 帶遮陽帽子、水、Binoculars、Camera、snacks、
為免受蚊蟲咬,請穿長褲、輕便登山鞋。
🟢 請看下列更多資料:
Palo Alto Baylands Nature Preserve
Palo Alto Baylands Preserve 佔地 1,940 英畝 是舊金山灣現存最大的保持原狀沼澤地之一, 有十五英里的小徑聯結獨特的潮汐鹹水和河流淡水混合棲息地。許多人認為該地區是西海岸最好的觀鳥區之一。該保護區擁有大量常駐鳥類,也是鳥類太平洋遷徙路線上的主要中途停留區。
The 1,940-acre Baylands Preserve is one of the largest tracts of undisturbed marshland remaining in the San Francisco Bay. Fifteen miles of multi-use trails provide access to a unique mixture of tidal and fresh water habitats. Many consider this area to be one of the best bird watching areas
on the west coast. The preserve has a substantial resident population of birds as well as being a major migratory stopover on the Pacific Flyway.
https://en.wikipedia.org/wiki/Palo_Alto_Baylands_Nature_Preserve
Santa Clara County Sanborn Park
🔸 日期/時間 : 9/28/2024 星期六
🔸 地點 : Sanborn County Park
Google Map https://goo.gl/maps/GM9Qy6yL4QFeFfDEA
🔸 停車/Fee: County Park Daily Entry fee $6,
起點的停車場有洗手間。
Parking lot next to the Costanoan Restroom
Santa Clara County Library now offers free vehicle entry
passes to County Parks for library card holders. You can
request one pass which is good for 3 weeks, but that
may take some time to get it. So, do it early.
🔸 路線: 路線來回約 5.5 miles時間 4.0小時左右
路線參考 https://goo.gl/maps/pBeMsoEb9VGDde1b8
🔸 請注意 與我們之前走過的路線相比,
這條路線可能是最難的一條。
The trail has great views but could be too challenging if
you have not hiked quite often recently. Comparing to the
trails we had before, this trail probably is the most
demanding one。
🔸簡介: This lushly wooded 3,453-acre park is nestled
between Saratoga and Skyline Boulevard in the Santa
Cruz Mountains, with lots of redwoods and tanoak. If the
time allows, we will visit an interesting historic Welch-
Hurst house in the park. It was placed on the National
Register of Historic Places on Sept. 18, 1978。
🔸 請注意: No dogs/pets allowed
🔸 建議: 請帶遮陽帽子、登山杖、水、Snacks/light lunch。
為免受蚊蟲咬,請穿長褲、輕便登山鞋。
🟢 請看下列更多資料:
Sanborn County Park | County of Santa Clara, CA
https://parks.sccgov.org/santa-clara-county-parks/sanborn-county-park
Sanborn County Brochure
https://parks.sccgov.org/sites/g/files/exjcpb961/files/documents/Sanborn%20Brochure%20Cover_1.pdf
Map of the Sanborn County Park
https://parks.sccgov.org/sites/g/files/exjcpb961/files/documents/Sanborn%20Guide%20Map_0.pdf
Sanborn County Brochure
https://parks.sccgov.org/sites/g/files/exjcpb961/files/documents/Sanborn%20Brochure%20Cover_1.pdf
Welch-Hurst - Wikipedia
Coyote Creek Trail to Hellyer County Park
🔸 日期/時間 : 8/31/2024 星期六
🔸 地點 : Coyote Creek Trail Parking Lot
near the junction of Silver Creek Valley Rd. &
Coyote Rd, San Jose
Google Map
https://maps.app.goo.gl/jJpvRCGB7y3h8VjUA
🔸簡介: The Coyote Creek Trail is one of the longest trail
systems extending from the Bay to the San Jose
southern boundary. The trail we plan to hike is part of the
Southern Reach. Most part is flat, paved and shady trail.
🔸 路線: 路線來回約 7.5 miles時間 4.0小時左右,大部分都是
平坦易行的路線, 林蔭交錯, 舒適涼爽, 適合夏天健行。
包括 Coyote Creek Trail to Hellyer County Park and
back。
路線參考: https://www.alltrails.com/explore/trail/us/california/coyote-creek-parkway-and-hellyer-county-park
🔸 停車: 免費停車場,但車位有限,起點的停車場有洗手間。
🔸 請注意: No dogs/pets allowed
🔸 建議: 請帶遮陽帽子、登山杖、水、Snacks/light lunch。
為免受蚊蟲咬,請穿長褲、輕便登山鞋。
🟢 請看下列更多資料:
Hellyer County Park
https://parks.sccgov.org/santa-clara-county-parks/hellyer-county-park
Map of the Hellyer County Park
https://parks.sccgov.org/sites/g/files/exjcpb961/files/documents/Hellyer%20Guide%20Map.pdf
Hellyer County Brochure
https://parks.sccgov.org/sites/g/files/exjcpb961/files/documents/Hellyer%20Brochure%20Cover.pdf
Coyote Creek Trail
Russian Ridge Preserve
🔸 日期/時間 : 5/18/2024 星期六
🔸 地點 : Russian Ridge Preserve parking
3901 Alpine Rd, La Honda, CA 94020
Google Map https://goo.gl/maps/2g7FgjHF3s8yMtov9
🔸簡介: 這個佔地 3,137 英畝的保護區以春季盛開的野花而聞
名。多樣化的植物群落、綿延數英里的森林和豐富的泉水
使Russian Ridge成為野生動物的絕佳棲息地。 陡峭的森林
峽谷為繁多的動物創造了安全的避難所。提供登山健行訪
客清新的空氣,舊金山灣和Santa Cruz山脈的美景。
🔸 路線: 來回約6.5 miles時間 4.5-5.0小時左右。
路線參考:
https://maps.app.goo.gl/xh13F46CULf5h1VY7
https://goo.gl/maps/WMfz1PH3BqK3c9Qs7
🔸 停車: 免費停車場但, 車位有限,起點的停車場有洗手間。
🔸 請注意: No dogs/pets allowed in this Preserve
🔸 建議: 請帶遮陽帽子、登山杖、水、Snacks/light lunch。
為免受蚊蟲咬,請穿長褲、輕便登山鞋。
🟢 請看下列更多資料:
Preserve Map download https://www.openspace.org/sites/default/files/map_RR.pdf
History of Russian Ridge
https://www.openspace.org/preserves/russian-ridge#history
Preserve Highlights & Features https://www.openspace.org/preserves/russian-ridge#highlights
🟢 Russian Ridge Open Space Preserve-Know Before
You Go
https://www.openspace.org/preserves/russian-ridge#know-before-you-go
Villa Montalvo County Park
🔸 日期/時間 : 3/23/2024 星期六 8:00 AM
🔸 地點:Villa Montalvo Parking Lot 4
15400 Montalvo Rd Saratoga, CA 95070
Google Map
https://maps.app.goo.gl/9T9i9cGnCa6YnMnd6
🔸 路線:
The Trail is considered a bit challenging route
來回約3 miles for 2.5 hours.坡度稍陡有些難度
參考路線 https://www.alltrails.com/explore/trail/us/california/lookout-redwood-orchard-creek-trails
🔸 路線特色: Villa Montalvo has interesting history and
unique gardens with amazing plants & sculptures.
曾經是 James Phelan (1897 年至 1902 年擔任舊金山市
長) 的宏偉莊園, 現在是藝術中心 (Montalvo Art Center)。
Santa Clara County manages Villa Montalvo 後面的
hiking trails。
🔸 停車: 免費停車場, 但車位有限,起點的停車場有洗手間。
🔸 請注意: No dogs/pets please.
🔸 建議: 帶登山杖、帽子、足夠的水、snacks/light lunch、
為免受蟲咬(ticks),請穿長褲、 輕便登山鞋。
🟢 請看下列更多資料, Know before you go:
Villa Montalvo County Park:
https://parks.sccgov.org/santa-clara-county-parks/villa-montalvo
https://en.wikipedia.org/wiki/Montalvo_Arts_Center
HIDDEN GEM
Almaden Quicksilver County Park
🔸 日期/時間 : 2/17/2024 星期六 8:00 AM
🔸 地點: Quicksilver Hacienda Entrance Parking Lot
21785 Almaden Rd, San Jose, CA 95120
🔸 路線:
The Trail is considered a bit challenging route
來回約7 miles for 4-5 hours.坡度稍陡有些難度
🔸 路線特色: Almaden Quicksilver County Park is a very
unique area with spectacular natural diversity and a
landmark of California history. The site includes over
135 years of mining activities and is the former home to
more than 1,800 miners and their families.
Almaden Quicksilver是一個非常獨特的地區,擁有壯觀的
自然多樣性,也是加州歷史的里程碑。擁有超過 135年的
採礦活動歷史遺址,曾是1,800多名礦工及其家人的住所。
🔸 停車: 免費停車場, 但車位有限,起點的停車場有洗手間。
🔸 請注意: No dogs/pets please.
🔸 建議: 帶登山杖、帽子、足夠的水、snacks/light lunch、
為免受蟲咬(ticks),請穿長褲、 輕便登山鞋。
🟢 請看下列更多資料, Know before you go:
Almaden Quicksilver County Park:
https://parks.sccgov.org/santa-clara-county-parks/almaden-quicksilver-county-park
https://en.wikipedia.org/wiki/Almaden_Quicksilver_County_Park
Foothills & Arastradero Preserves Hiking
🔸 日期/時間 : 1/13/2024 星期六
🔸 地點:Arastradero Preserve Parking Lot
1530 Arastradero Rd, Palo Alto, CA 94304
🔸 路線:
The Trail is considered a moderately challenging route
來回約7 miles for 4-5 hours.
Arastradero Preserve Parking lot -> Foothills Preserve via Arastradero Creek -> Boronda Lake, Orchard Glen, Interpretive Center and back to Arastradero Parking lot.
🔸 路線特色: Hike two preserves of Palo Alto.
Both preserves are Nature Lover’s paradises
遼闊的草原,點綴其間的溪流、湖泊、遠眺海灣和高山
景觀、豐富的野生動物:陸地上的鹿和土狼…天空的多種
飛鳥群…。
🔸 停車: 免費停車場, 但車位有限,起點的停車場有洗手間。
🔸 請注意: No dogs/pets please.
🔸 建議: 帶登山杖、帽子、足夠的水、snacks/light lunch、
為免受蟲咬(ticks),請穿長褲、 輕便登山鞋。
🟢 請看下列更多資料, Know before you go:
Arastradero & Foothills Preserves in City of Palo Alto:
Arastradero & Foothills Preserves on Open Spaces
Pearson-Arastradero Preserve Hiking
🔸日期/時間:11/25/2023 and 12/16/2023 星期六
🔸地點:Arastradero Preserve Parking Lot
1530 Arastradero Rd, Palo Alto, CA 94304
🔸路線:
Trail to Arastradero Creek Trail and Redtail-loop-trail .
The Trail is considered a moderately challenging route
來回約 6.5 miles for 4.5 hours.
🔸路線特色: 近Stanford Univ. Dish trail,遼闊的草原視野,
點綴其間的溪流、湖泊、遠眺海灣和高山景色,
豐富的野生動物,常可以看到鹿和土狼,如果幸運的話,
您可能會看到山貓。
🔸停車: 免費停車場, 但車位有限,起點的停車場有洗手間。
🔸請注意: No dogs/pets please.
🔸建議: 帶登山杖、帽子、足夠的水、snacks/light lunch、
為免受蟲咬(ticks),請穿長褲、 輕便登山鞋。
🟢 請看下列更多資料, Know before you go:
Alviso Marina County Park, Alviso Slough Trail 健行
🔸日期/時間 : 11/4/2023 星期六 ( 全程 est. 3 - 4 hours )
🔸地點:Alviso Marina County Park Parking Area
1195 Hope St, Alviso, CA 95002
GoogleMap:
https://maps.google.com/?q=37.4298373,-121.9797212
🔸路線特色:色彩繽紛的鹽池、候鳥和野生動物
Colorful Salt ponds, migration birds and fantastic views
of the wildlife that call the Alviso Marina home.
🟢 請看下列更多資料
Bear Creek Redwoods Preserve
🔸 日期/時間 : 10/21/2023 星期六
🔸 地點:
Bear Creek Redwoods Preserve Alma Parking Area
19350 Bear Creek Rd, Los Gato, CA.
Google Map
https://maps.app.goo.gl/kezT28vPCMAkK7fj7
🔸 路線: Alma and Redwood Springs Loop
來回約6.5 miles 時間3-4小時左右.
This trail considered a moderately challenging route,
very shady but it has relatively long up and down incline.
🔸 路線特色: Beautiful Redwoods and bird sounds
🔸 停車: 免費停車場, 但車位有限,起點的停車場有洗手間。
🔸 請注意:
No dogs/pets/bikes are NOT allowed in this Preserve.
🔸 建議: 帶登山杖、帽子、足夠的水、snacks/light lunch、
為免受蟲咬(ticks),請穿長褲、 輕便登山鞋。
🟢 請看下列更多資料:
Bear Creek Redwoods Preserve official site
https://www.openspace.org/preserves/bear-creek-redwoods
🟢 Know before you do:
https://www.openspace.org/preserves/bear-creek-redwoods#know-before-you-go
https://www.openspace.org/preserves/bear-creek-redwoods#regulations
El Corte de Madera Creek Preserve
🔸 集合時間: 9/2/2023
🔸 地點: El Corte de Madera Parking Area
16040 CA-35, Redwood City, CA 94062
Google map https://goo.gl/maps/mcBb7UqrewgjSNtH7
🔸 路線: 路線來回約7 miles時間 4.5小時左右。
路線參考: VIEW IN GOOGLE MAPS
https://goo.gl/maps/KRPeSs7FahTpBEgr6
This trail is considered a moderately challenging route,
很多樹蔭, 許多上下緩坡, 小部分陡坡。
🔸 停車: 免費停車場, 但車位有限,起點的停車場有洗手間。
🔸 注意事項 : No dogs/pets allowed
🔸 建議: 帶登山杖、帽子、足夠的水、Snacks/light lunch、
為免受蟲咬(ticks),請穿長褲穿輕便登山鞋。
🟢 請參考下列資料:
El Corte de Madera Creek Preserve official site:
https://www.openspace.org/preserves/el-corte-de-madera-creek
Know before you do:
https://www.openspace.org/preserves/el-corte-de-madera-creek#know-before-you-go
https://openspacetrust.org/hike/el-corte-de-madera-creek-loop/
El Corte de Madera Creek Preserve Map for download
https://www.openspace.org/sites/default/files/map_ECDM.pdf
Tafoni-and-Fir-trail :
https://www.alltrails.com/explore/trail/us/california/tafoni-and-fir-trail