Airport
Alton Bay Seaplane Base
US · US-NH · SEAPLANE BASE
HIGHverified May 2026
Overview
Geography
- ARP coordinates
- 43.4776, -71.2370
- Elevation
- 504 ft (153.62 m)
- Timezone
- America/New_York
Operations
- Customs
- No
- Immigration
- No
- 24h operations
- No
- PPR required
- No
- Curfew
- No
- ARFF (ICAO)
- —
- Status
- OPERATIONAL
Identifiers
- LOCALB18
- GPS_CODEKB18
Runways (1)
01/19793 m × 31 m · WATER
Geometry
| Length | 793 m (2,600 ft) |
|---|---|
| Width | 31 m |
| Surface | WATER |
Runway ends
01
19