What are the road conditions to Mount Wilson Observatory today?

As of Sat, Nov 14, 2:56 PM Pacific, Caltrans lists 3 closures and LA County lists 2 closures on SR-2 within 25 miles of Mount Wilson Observatory today (4 of them full closures). No chain controls are listed. These lists don't include every closure (Forest Service gates and fire closures can be missing), so check Caltrans QuickMap (quickmap.dot.ca.gov) or call 1-800-427-7623 before you go.

How long does it take to ride to Mount Wilson Observatory?

It depends where you start. On our cycling map, Ride to… gives the ride time from where you are, or from anywhere you move the map, and plans a route with the weather and the crashes reported along it.

Where does this data come from?

Crash counts are police reports in the California Crash Reporting System (CCRS) on data.ca.gov, counted where they have map coordinates or could be placed from the street names on the report. The place's location is from OpenStreetMap, and the forecast from the National Weather Service.

Summit or view

Mount Wilson Observatory

Observatory at the top of Mount Wilson Road, a long climb from La Cañada Flintridge up Angeles Crest Highway.

bike crashes within a mile, 2021–2026: 0; bike crashes within a mile, 2021–2026
serious or fatal: 0; serious or fatal
car-free paths within 5 mi: 0; car-free paths within 5 mi

Plan the ride on the map Google Maps

Road conditions to Mount Wilson Observatory today

As of Sat, Nov 14, 2:56 PM Pacific, Caltrans lists 3 closures and LA County lists 2 closures on SR-2 within 25 miles of Mount Wilson Observatory today (4 of them full closures). No chain controls are listed.

Full closure
3.3 miles East of Newcomb's Ranch → Islip Saddle, Route 39 · Weather Related Conditions · North / South
since Dec 24, no end date listed · Caltrans
Full closure
Islip Saddle/JCT SR 39 → Vincent Gulch Rd · Emergency Work · East / West
since Dec 24, no end date listed · Caltrans
Road Closed. Only Open To Contractors, Residents. & Emergency VehiclesChaney Tr
Alzada Rd → Millard Canyon Campground · Eaton Fire Damages
· LA County
2 more listings
- Road Closed. Only Open To Emergency VehiclesSanta Rosa Ave
  Alameda St → Sacramento St · Installation Of Holiday Lights - Po7
  estimated reopening Invalid Date has passed; still listed · LA County
- Lane closure (3 of 3 lanes)
  Glendale Blvd → Hollywood Freeway via Alvarado St, Route 101 · Curb/Gutter/Sidewalk Work · South
  Sat 6:01 PM – Sat 11:59 PM · Caltrans

8 more closures listed later this week

Road ClosedMarathon
Fair Oaks → Alicia · Road Construction
estimated reopening Invalid Date has passed; still listed · LA County
Lane closure (2, 3 of 3 lanes)
Alvarado St → Glendale Blvd · Curb/Gutter/Sidewalk Work · North
Sun 12:01 AM – Sun 5:59 AM; Mon 12:01 AM – Mon 5:59 AM; Tue 12:01 AM – Tue 5:59 AM; Wed 12:01 AM – Wed 5:59 AM; Thu 12:01 AM – Thu 5:59 AM; Fri 12:01 AM – Fri 5:59 AM · Caltrans
Lane closure (2, 3 of 3 lanes)
Glendale Blvd → Alvarado St · Curb/Gutter/Sidewalk Work · South
Sun 12:01 AM – Sun 5:59 AM; Mon 12:01 AM – Mon 4:59 AM; Tue 12:01 AM – Tue 4:59 AM; Wed 12:01 AM – Wed 4:59 AM; Thu 12:01 AM – Thu 4:59 AM; Fri 12:01 AM – Fri 4:59 AM · Caltrans
5 more listings
- Lane closure (3, 2 of 3 lanes)
  Hollywood Freeway, Route 101 → Cahuenga Blvd · Curb/Gutter/Sidewalk Work · West
  Sun 9:01 PM – Mon 4:59 AM; Mon 9:01 PM – Tue 4:59 AM; Tue 9:01 PM – Wed 4:59 AM; Wed 9:01 PM – Thu 4:59 AM; Thu 9:01 PM – Fri 4:59 AM · Caltrans
- Lane closure (2 of 2 lanes)
  Cahuenga Blvd → Hollywood Freeway, Route 101 · Curb/Gutter/Sidewalk Work · East
  Sun 11:01 PM – Mon 5:59 AM; Mon 10:01 PM – Tue 5:59 AM; Tue 10:01 PM – Wed 5:59 AM; Wed 10:01 PM – Thu 5:59 AM; Thu 10:01 PM – Fri 5:59 AM · Caltrans
- Lane closure (1 of 1 lanes)
  Big Pines Highway → Los Angeles-San Bernardino County Line · Emergency Work · East
  Mon 8:01 AM – Mon 3:59 PM; Tue 8:01 AM – Tue 3:59 PM; Wed 8:01 AM – Wed 3:59 PM · Caltrans
- Lane closure (1, 2 of 3 lanes)
  Sunset Blvd → Effie St · Utility Work · North
  Mon 9:01 AM – Mon 2:30 PM · Caltrans
- Lane closure (2 of 2 lanes)
  Western Ave → Hollywood Freeway, Route 101 · Bridge Construction · East
  Mon 11:01 PM – Tue 5:59 AM; Tue 11:01 PM – Wed 5:59 AM; Wed 11:01 PM – Thu 5:59 AM; Thu 11:01 PM – Fri 5:59 AM · Caltrans

Checked Sat, Nov 14, 2:56 PM Pacific, from Caltrans and LA County. These lists don't include every closure: Forest Service gates and fire closures can be missing, so check Caltrans QuickMap or call 1-800-427-7623 before you go.

Weather at Mount Wilson Observatory this week

Weather

TodayMostly Sunny51° / 43°5 mph1%

SunMostly Sunny54° / 45°5 mph1%

MonPartly Sunny then Chance Light Rain50° / 43°5 mph53%

TueSunny45° / 36°10 mph11%

WedMostly Sunny then Slight Chance Light Rain45° / 38°5 mph72%

ThuLight Rain Likely43° / 36°5 mph72%

FriSunny43° / 35°5 mph14%

National Weather Service forecast at Mount Wilson Observatory (5,180 ft). Mountain weather changes with height.

Is it safe to bike to Mount Wilson Observatory?

We don't rate places, roads or trails as safe or unsafe: crash counts can't say how risky a ride is, and places riders like draw more riders, so they see more crashes. What the records show: no bike crashes were reported within a mile of Mount Wilson Observatory from 2021–2026.

Where bike crashes cluster near Mount Wilson Observatory

No spot within a mile of Mount Wilson Observatory has 3 or more reported bike crashes.

Common questions about Mount Wilson Observatory

Where is Mount Wilson Observatory?: Observatory at the top of Mount Wilson Road, a long climb from La Cañada Flintridge up Angeles Crest Highway. Its location is 34.22391, -118.05756.
What are the road conditions to Mount Wilson Observatory today?: As of Sat, Nov 14, 2:56 PM Pacific, Caltrans lists 3 closures and LA County lists 2 closures on SR-2 within 25 miles of Mount Wilson Observatory today (4 of them full closures). No chain controls are listed. These lists don't include every closure (Forest Service gates and fire closures can be missing), so check Caltrans QuickMap (quickmap.dot.ca.gov) or call 1-800-427-7623 before you go.
How long does it take to ride to Mount Wilson Observatory?: It depends where you start. On our cycling map, Ride to… gives the ride time from where you are, or from anywhere you move the map, and plans a route with the weather and the crashes reported along it.
Where does this data come from?: Crash counts are police reports in the California Crash Reporting System (CCRS) on data.ca.gov, counted where they have map coordinates or could be placed from the street names on the report. The place's location is from OpenStreetMap, and the forecast from the National Weather Service.

Bike climbs near Mount Wilson Observatory

Angeles Crest Highway near Sierra MadreCat 2 · 3 mi Mount Disappointment RoadCat 3 · 3 mi Mount Wilson Toll RoadHC · 3 mi Mount Wilson Red Box RoadCat 3 · 4 mi Santa Anita Canyon RoadCat 2 · 4 mi Hastings Ranch DriveCat 3 · 5 mi

Other places nearby

Rose Bowl loop8 mi Griffith Observatory16 mi Bonelli Regional Park18 mi Mount Baldy Lodge23 mi Mandeville Canyon gate27 mi Nike tower (San Vicente Mountain)27 mi

All places to ride to

Bike crash hotspots nearby

Monrovia Arcadia Pasadena San Marino

Picked by us. Location from OpenStreetMap. Crashes: bike crashes reported within a mile, 2021–2026, from the California Crash Reporting System (CCRS), counted where the report has map coordinates or could be placed from its street names. Weather: National Weather Service. Check opening hours and closures before you go. How the data works.