Bus E21 route
Route stops
19 stops • 3 directions
- Sabin Arana (Ama Guadalupekoa ikastetxea)
- Sabin Arana kalea 3
- N-638 Amute
- Loiola parking
- Gipuzkoa plaza 10
- Estaciones Renfe-Bus Geltokiak
- Loiolako Erriberak 12-14
- GI-636 Jaitzubia (Gebaralarre)
- N-638 Amute
- Sabin Arana kalea 3
- Sabin Arana Goiri kalea
- Sabin Arana Goiri kalea
- Sabin Arana kalea 3
- N-638 Amute
- GI-636 Jaitzubia (Gebaralarre)
- Loiolako Erriberak
- Bizkaia pasealekua 12
- Ma Cristina zubia
- Gipuzkoa plaza 10
Route map

Common Questions About This Route
We've gathered all the essentials based on open data. Straight answers to the questions people ask most often.What number is assigned to this route?
Route number is E21. Remember it—the number stays the same everywhere: on the stop display, in apps, on the vehicle itself. Look for E21 specifically. If you're not sure you found the right stop, just ask someone nearby: 'Does bus E21 stop here?'
Where does bus #E21 run?
This route serves the San Sebastián (Spain) region. In larger metro areas, routes can pass through several districts or towns. To know for sure if it works for you, pull up the route map and check the key stops and direction.
Who's the official operator?
Operator is Ekialdebus S.L.. This is the official company responsible for the route. If you run into problems (rude driver, breakdown, dirty vehicle, delays)—contact them. It helps to note the time, direction, and route number—makes your complaint more specific and gets handled faster. Contact info is usually on the company website or in transit apps.
Additional Route Information
Hondarribia - Donostia (AP8)
Reference
E21
Origin
Hondarribia
Destination
Donostia
Operator
Ekialdebus S.L.
E21: San Sebastian-Fuenterrabia (Direct)
Reference
E21
Origin
Donostia
Destination
Hondarribia
Interval
00:45:00
Route network
Lurraldebus
Operator
Ekialdebus S.L.
Opening hours
Mo-Fr 06:30-22:50; Sa,Su,PH 06:30-22:50
Travel time
00:30:00
Color
#93c01f
Fare
E21: Fuenterrabia-San Sebastian (Direct)
Reference
E21
Origin
Hondarribia
Destination
Donostia
Interval
00:45:00
Route network
Lurraldebus
Operator
Ekialdebus S.L.
Opening hours
Mo-Fr 06:00-21:50; Sa,Su,PH 06:00-21:50
Travel time
00:30:00
Color
#93c01f
Fare
Quick overview
Explore the bus E21 route in San Sebastián (Spain). 3 directions, 19 stops, and an interactive route map available in one place.
Data source
The data is obtained from open sources and may contain inaccuracies. Route information is updated regularly.
