United States station directory
Yellowstone National Park - Haynes Administration Building Station Details
Yellowstone National Park - Haynes Administration Building is an EV charging station in Mammoth, Wyoming (WY). The listing marks this location as public and open. This listing includes NEMA 14-50 connector details and 2 reported EV charging ports. It was last confirmed on January 13, 2026, but drivers should still check access, hours, pricing, and connector compatibility before visiting.
Station details
| Station name | Yellowstone National Park - Haynes Administration Building |
|---|---|
| Fuel type | EV Charging |
| Address | 4 Executive House Ln, Mammoth, WY, 82190 |
| City | Mammoth |
| State | Wyoming (WY) |
| ZIP code | 82190 |
| Access | Public |
| Status | Open |
| Phone | Phone number not reported |
| Hours | Contact station for availability |
| Date last confirmed | 2026-01-13 |
| Last updated | 2026-02-02T23:16:24Z |
| EV network | Non-Networked |
| Connector types | NEMA 14-50 |
| Charger details | 2 Level 2 |
| Pricing | Pricing not reported |
| Workplace charging | Yes, workplace charging reported |
Before you visit
Use these source-listed details to plan a visit to Yellowstone National Park - Haynes Administration Building. Call the station or check the network app when access, payment, or hours are important for your trip.
| Public access | Public |
|---|---|
| Current status | Open |
| Access hours | Contact station for availability |
| Phone | Phone number not reported |
| Payment cards | Payment card details not reported |
| Access group | Public |
| Restricted access | No restriction reported |
| Workplace charging | Yes, workplace charging is reported |
Data freshness
Station details can still change, so check the operator or network app before relying on the listing.
| Freshness label | Recently confirmed |
|---|---|
| Date last confirmed | 2026-01-13 |
| Last source update | 2026-02-02 |
| Source station ID | 87647 |
Location context
These extra details help identify the station setting, parking area, or on-site access notes when the source provides them.
| Location type | Federal government site |
|---|---|
| Owner type | Federal government owned |
| Maximum vehicle class | Passenger vehicles (class 1-2) |
EV charging equipment
The station data shows Yellowstone National Park - Haynes Administration Building with 2 reported EV charging ports, connector details for 2 NEMA 14-50.
| Charging level | Connector | Reported ports | Max reported power | Network |
|---|---|---|---|---|
| Level 2 | NEMA 14-50 | 2 | Not reported | Non-Networked |
Equipment details are based on station equipment data and may differ from on-site availability.
EV pricing and charging notes
EV charging pricing is not reported for this station. Check the network app or on-site payment screen before starting a session.
| Pricing status | Pricing not reported |
|---|---|
| Source pricing text | Pricing not reported |
Map and directions
44.9742, -110.7003
Nearest EV charging stations
The nearby stations below are calculated from the latitude and longitude listed for Yellowstone National Park - Haynes Administration Building. Distances are approximate straight-line distances, not driving distance or travel time.
Related station pages
Frequently asked questions
Where is Yellowstone National Park - Haynes Administration Building located?
Yellowstone National Park - Haynes Administration Building is listed in Mammoth, WY. The address is 4 Executive House Ln, Mammoth, WY, 82190.
What EV connectors are available at Yellowstone National Park - Haynes Administration Building?
NEMA 14-50
Is Yellowstone National Park - Haynes Administration Building open to the public?
The station access is listed as Public, and its status is Open.
What are the access hours for Yellowstone National Park - Haynes Administration Building?
Contact station for availability