Trails of Coal Mine Ridge, Portola Valley Ranch
Modified 16-Feb-23
0 photos

Birds of the Seasons
Modified 16-Feb-23
0 photos

Birds of Coal Mine Ridge Nature Preserve
Created 18-Aug-24
Modified 18-Aug-24

8/20/2023 Pollinators visit Flowers of Hayfield Tarweed
Created 25-Jul-26
Modified 25-Jul-26

6/18/2023 Wolf Spider (?) with Nursery on its Back
Created 25-Jul-26
Modified 25-Jul-26

2/11/2023 Trail Center Volunteers Renew Toyon Trail
Created 13-Jan-25
Modified 13-Jan-25

4/2/2022 Trail Center and PV Ranch Residents Maintain Bay Laurel Trail
Created 25-Jul-26
Modified 25-Jul-26

2/10/2022 Springtime on Coal Mine Ridge: Warrior's Plume, Shooting Star, and More
Created 26-Aug-25
Modified 26-Aug-25

10/16/2021 Curious Buck at Dusk
Created 26-Aug-25
Modified 26-Aug-25

9/21/2021 Assessing Vegetation on Coal Mine Ridge, plus Moonset
Modified 16-Feb-23
0 photos

6/8/2021 Toyon Trail: Native Thistle, Buckeyes in Flower, More
Created 26-Aug-25
Modified 26-Aug-25

5/4/2021 Butterlles on Blue Dicks, Flowers on Arroyo Trail
Created 26-Aug-25
Modified 26-Aug-25

4/21/2021 April Flowers on Coal Mine Ridge
Created 26-Aug-25
Modified 26-Aug-25

3/23/2021 Spring Inspiration
Created 26-Aug-25
Modified 26-Aug-25

2/27/2021 Spring is Here: Wildflowers and New Leaves
Created 26-Aug-25
Modified 26-Aug-25

2/15/2021 First Flowers of Spring
Created 26-Aug-25
Modified 26-Aug-25

2020 Review: Coal Mine Ridge
Created 26-Aug-25
Modified 26-Aug-25

9/30-10/10/2020 Autumn on Coal Mine Ridge, with Chipmunk
Created 26-Aug-25
Modified 26-Aug-25

8/14/2020 Dry Vistas, Foraging Quail, and a Rainbow: Up Toyon Trail, Down Coalmine
Created 26-Aug-25
Modified 26-Aug-25

5/27/2020 Select from Coal Mine Ridge: Summer in May
Created 26-Aug-25
Modified 26-Aug-25

5/27/2020 Summer in May: Arroyo and Toyon Trails
Created 2-Apr-26
Modified 2-Apr-26

5/9/2020 California Towhee on Alpine Trail
Created 25-Jul-26
Modified 25-Jul-26

5/3/202 Coalmine Trail and More
Created 2-Apr-26
Modified 2-Apr-26

4/24/2020 Larkspur! and other Spring Flowers -- and Dragonfly
Created 26-Aug-25
Modified 26-Aug-25

4/24/2020 French Broom on Coalmine, Old Spanish Trails
Created 3-Apr-26
Modified 3-Apr-26

4/13/2020 Walking Down Arroyo Trail and across Bay Laurel Trail: Spring Flowers and Quail
Created 2-Apr-26
Modified 2-Apr-26

3/26/2020 Spring Wildflowers: Up Toyon Trail, then Arroyo, Old Spanish Trails
Created 26-Aug-25
Modified 26-Aug-25

2/12/2020 Flowers of Early Spring: Hound's Tongue and Milkmaids
Created 26-Aug-25
Modified 26-Aug-25

12/10/2019 Lower Toyon Trail in December
Created 2-Apr-26
Modified 2-Apr-26

3/24/2019 Coal Mine Ridge Nature Preserve in Spring
Created 25-Jul-26
Modified 25-Jul-26

2/21/2019 Up Toyon Trail, Down Arroyo
Modified 16-Feb-23
0 photos
2/5/2019 Coal Mine Ridge Nature Preserve of Portola Valley Ranch -- and More
Modified 16-Feb-23
0 photos

5/6/2018 Birding with Garth Harwood on Coal Mine Ridge
Created 25-Jul-26
Modified 25-Jul-26

February 2018: Portola Valley Spring Flowers
Created 26-Aug-25
Modified 26-Aug-25

2/27/2018 Coal Mine Ridge Trails in Springtime
Created 25-Jul-26
Modified 25-Jul-26

11/22/2007 Marilyn Walter on PVR Turkey Trot
Created 25-Jul-26
Modified 25-Jul-26

Random Fungus, some Coal Mine Ridge
Created 2-Apr-26
Modified 2-Apr-26

FungusCmr
Created 2-Apr-26
Modified 2-Apr-26

For Coal Mine Ridge Nature Preserve of Portola Valley Ranch
Modified 16-Feb-23
0 photos

Coal Mine Ridge Trails Collection
Created 13-Jan-25
Modified 13-Jan-25

Walking Across and Up Bay Laurel Trail
Created 2-Apr-26
Modified 2-Apr-26

1979-84 Jane Ames Bench on Toyon Trail and More
Created 2-Apr-26
Modified 2-Apr-26

9/30/2020 Fog Lifts on Coal Mine Ridge
Created 13-Sep-25
Modified 13-Sep-25

CMR Flowers for Web
Created 25-Jul-26
Modified 25-Jul-26

Ithuriel's Spear (Triteleia laxa)
Created 25-Jul-26
Modified 25-Jul-26
Dan Quinn