PATH_REGISTRY_ID: WINDY-HILL-PRESERVE

Windy Hill Open Space Preserve

LOC: Portola Valley, CA · LENGTH: 6.4 KM · EST_TIME: ~120 MIN

Grassy ridge-top trail with sweeping views of the valley and ocean.

MODERATEOUT-AND-BACK

>>> ACCESS_IMAGE_STREAM: SYSTEM_FEED_ENCRYPTED_SECURE_MODE

SAFETY: 7.5/10
FAMILY: 6/10
OVERALL: 4.6/10

// NATURAL_HAZARD_CONTEXT

0 NEARBY

Recent natural-hazard signals within 150 KM of this trail. Review the source before making plans.

NO RECENT NATURAL-HAZARD SIGNALS IN RANGE.

// REALTIME_SYSTEM_TELEMETRY

🌤 WEATHER_NOAA

THIS AFTERNOON

TEMP: 85°F · WIND: 5 to 9 mph WSW
FORECAST: Sunny

TONIGHT

TEMP: 53°F · WIND: 5 to 9 mph WSW
FORECAST: Mostly Clear

SATURDAY

TEMP: 86°F · WIND: 2 to 9 mph WSW
FORECAST: Sunny

SATURDAY NIGHT

TEMP: 54°F · WIND: 5 to 9 mph WSW
FORECAST: Patchy Smoke

SUNDAY

TEMP: 89°F · WIND: 2 to 8 mph W
FORECAST: Sunny

SUNDAY NIGHT

TEMP: 54°F · WIND: 2 to 8 mph WSW
FORECAST: Clear

💨 ATMOSPHERIC_AQI

85 MODERATE
PARAMAQICAT
PM2.585 2
O382 2
PM1046 1
NO236 1
CO13 1
ADVISORY: Acceptable quality; moderate health concerns for highly sensitive groups.
MONITOR: ATMOS MONITOR STATION #237
CALIBRATION: STABLE (0x8F3C)
// HISTORY_AQI_FEED
> [01:11] AQI_FEED_PM2.5: 84 [ELEVATED]
> [02:11] AQI_FEED_PM2.5: 86 [ELEVATED]
> [03:11] AQI_FEED_PM2.5: 87 [ELEVATED]
> [04:11] AQI_FEED_PM2.5: 86 [ELEVATED]
> [05:11] AQI_FEED_PM2.5: 85 [ELEVATED]

🏕 REGISTRY_QUERY

PINE CREEK CAMPGROUND (MOCK)

TYPE: CAMPGROUND

OAK RIDGE PICNIC AREA (MOCK)

TYPE: PICNIC AREA

RIVER BEND CAMPGROUND (MOCK)

TYPE: CAMPGROUND

// WILDLIFE_SPECIES_REGISTRY

NO WILDLIFE SPECIES REGISTERED

Specifications

PATH_LENGTH6.4 KM
ESTIMATED_DURATION~120 MIN
ELEVATION_GAIN230 M
MAX_ELEVATION355 M
ROUTE_TYPEOUT-AND-BACK
DIFFICULTY_INDEXMODERATE
ACCESSIBILITY_FLAGSSERVICE_ANIMALS

Visitor Notes

Open, grassy hills with breathtaking views from the ridge. Can be very windy (hence the name). Great for sunset hikes. Spring brings brilliant green hills and wildflowers. Connects to Skyline Ridge.

// SAFETY_ANALYSIS_METRICS

  • > PATH_WELL_LIT: [ NO ]
  • > RANGER_PRESENCE_INDEX: [ NO ]
  • > SIGNAL_COVERAGE_OK: [ NO ]

[ AMENITIES_STATUS ]

[ REGULATIONS_REGISTRY ]

[ PARKING_FEE_DIAGNOSTICS ]

FREE_PARKING

[ SEASONAL_SUITABILITY ]

BEST SEASONS: SPRING, FALL

// GEOSPATIAL_VISUALIZATION

🌎

37.379, -122.215
Map loads in browser

// NEARBY_POINTS_OF_INTEREST

// REVIEW_REGISTRY (1)

Jordan P.May 25, 2026
5/10

The views from the top are absolutely breathtaking. Sunset is magical. Bring a jacket, it gets windy!