Quick Facts
- Time Zone
- Pacific Time (UTC-8 / UTC-7 DST)
- Dialing Code
- +1
- Currency
- US Dollar (USD, $)
- Power Plug
- Type A, B (flat 2-pin, common across North America)
- Language
- English
- Emergency
- 911 (police, fire, ambulance)
- eSIMno Networks
- AT&T, Verizon Wireless
How to Get Your eSIM
- Pick your USA data plan
Choose from 1GB to unlimited options on eSIMno — most Griffith Observatory visitors find 3-5GB covers a full day of maps, photos, and planetarium coordination. - Install at home before your flight
Scan the QR code over your home WiFi. The profile sits dormant until you activate it, so there's zero charge while you're still stateside or abroad. - Activate after landing at LAX
Switch off airplane mode once your aircraft reaches the gate. Your phone connects to AT&T or Verizon within seconds — no kiosk queue, no passport scan. - Set eSIMno as your data line
In dual-SIM settings, assign eSIMno for mobile data and keep your home SIM active for incoming calls. Outgoing calls go through WhatsApp, FaceTime, or Google Meet over eSIMno data. - Navigate to Griffith Observatory
Pull up the DASH Observatory bus schedule from Vermont/Sunset, check parking availability on Observatory Road, or request a rideshare — your data works from the terminal to the telescope.
Traveler Tips
- Arrive by 3:00 PM on weekdays to see exhibits in daylight, catch sunset from the west terrace, and stay for evening telescope viewing through the Zeiss refractor.
- Planetarium tickets ($10 adults, $6 children 5-12) sell only at the lower-level box office starting 30 minutes before the first show — check the daily schedule on your phone before committing to the drive.
- The DASH Observatory bus departs Vermont/Sunset Metro B Line station every 20-30 minutes in the afternoon — real-time arrival info on the LADOT app beats guessing at the stop.
- Observatory Road parking fills by 5:00 PM on weekends; data lets you monitor lot status or pivot to a rideshare before you're stuck circling.
- Keep your home SIM active for incoming calls — eSIMno is data-only, so voice stays on your original number automatically.
- The same eSIMno plan works at the Hollywood Sign trailhead, Venice Beach, or anywhere else in the US — no second purchase needed.
Why Data Matters at Griffith Observatory
Griffith Observatory rewards travelers who show up with a plan — and that plan lives on your phone. The Samuel Oschin Planetarium runs live shows like Centered in the Universe throughout the day, but tickets sell first-come at the box office. Checking the show schedule on the official site while you're still on the DASH bus from Vermont/Sunset lets you time your arrival instead of discovering the next show is two hours away. Once inside, the Hugo Ballin murals in the central rotunda and the Foucault Pendulum in the main hall photograph well, but sharing them instantly to your group chat or Instagram Story requires data the building's WiFi may not deliver reliably.
The west terrace offers one of the clearest sightlines to the Hollywood Sign — roughly 1.5 miles northwest — and sunset draws crowds that spill across the lawn. Data lets you coordinate meetup spots with friends, pull up the Charlie Turner Trail map if you hiked from the Merry-Go-Round area, or request a Lyft before the post-sunset surge kicks in. Evening telescope viewing through the 12-inch Zeiss refractor depends on clear skies; a quick weather-app check from the parking lot saves a wasted ascent on hazy nights.
Transit back into central LA runs through the Metro B Line at Vermont/Sunset, then onward to Union Station, Hollywood, or the Westside. Google Maps with live traffic shows whether the bus or a rideshare is faster, and the LADOT DASH app displays real-time arrivals so you're not standing at the stop guessing. eSIMno plans for Griffith Observatory, Los Angeles, California, United States connect through AT&T and Verizon, covering the winding Observatory Road, the Greek Theatre parking area below, and every freeway back to your hotel.
Visiting Griffith Observatory
The observatory opens Tuesday through Friday from approximately noon to 10:00 PM, and Saturday through Sunday from 10:00 AM to 10:00 PM — closed Mondays, Thanksgiving, and Christmas. Admission to the building, exhibits, and grounds is free per Griffith J. Griffith's original bequest; only planetarium shows require tickets. The lower-level Gunther Depths of Space gallery houses The Big Picture, a 152-foot-wide photograph of the Virgo Cluster you can study up close or view through a wall-mounted telescope at the opposite end.
By car, paid parking along Observatory Road costs roughly $4-$10 per hour depending on the lot. The DASH Observatory bus from Vermont/Sunset Metro B Line station runs every 20-30 minutes in the afternoon and evening, with stops at the Greek Theatre and the observatory itself — fare is free on DASH routes. Hikers can ascend the Charlie Turner Trail from the Merry-Go-Round parking area (about 1.5 miles uphill) or the trail from the Greek Theatre. Personal photography is allowed throughout; tripods and professional lighting require advance permits from LA Recreation and Parks.
Capturing the View from Griffith Observatory

Compare eSIM Options at Griffith Observatory
eSIMno | Local SIM / Operator | Roaming | |
|---|---|---|---|
| FEATURES | |||
| Setup time | Few minutes | Store kit, needs activation | Auto |
| No local ID needed | Online checkout | No SSN; passport at carrier stores | Use home account |
| Speed | 4G/LTE on AT&T, T-Mobile and Verizon; 5G in some areas | One carrier only | Partner-dependent |
| Travel support | English support 24/7 | English-language service | Home carrier hours |
| Keep home number | Dual SIM | Replaces it | Same number |
| Cost predictability | Fixed price | Advertised price needs Auto Pay | Bill-shock risk |

