Aerial imagery: USGS National Map (public domain)
Upper Sister Island — Islands 44.3 Miles E of Chapman Inn
Kennebec County, Maine · USGS Winthrop Quadrangle · GNIS 577659
44.3 miles east of Chapman Inn, on the USGS Winthrop topographic quadrangle, Upper Sister Island is a island recorded in Kennebec County, Maine by the federal Geographic Names Information System.
Wikidata short description: “island in Kennebec County, Maine, United States”
Landmark Profile
Classification & USGS reference
The USGS Winthrop 7.5-minute topographic quadrangle places Upper Sister Island in Kennebec County, Maine (FIPS 23/011), classified as a island in the federal GNIS (Feature ID 577659). Catalogued in GNIS since 09/30/1980.
Coordinates & physical setting
Upper Sister Island sits at 44.29979° N, 69.90449° W (DMS 44°17′59″ N, 69°54′16″ W).
Other islands in Kennebec County, Maine
Kennebec County, ME contains 50 islands catalogued in the USGS Geographic Names Information System, counting Upper Sister Island itself. The ones closest to Upper Sister Island:
| Feature | USGS Quadrangle | Distance |
|---|---|---|
| Lower Sister Island | Winthrop | 0.4 mi |
| Cuba Island | Winthrop | 0.7 mi |
| Hodgdon Island | Winthrop | 0.8 mi |
| Belle Island | Winthrop | 1 mi |
| Molazigan Island | Winthrop | 1.2 mi |
| Black Island | Winthrop | 1.2 mi |
| Hersey Island | Winthrop | 1.3 mi |
| Frog Island | Winthrop | 1.5 mi |
| Horseshoe Island | Winthrop | 2 mi |
| Richards Island | Winthrop | 3.7 mi |
Features on the USGS Winthrop Quadrangle
The Winthrop 7.5-minute topographic quadrangle holds 35 catalogued natural features alongside Upper Sister Island. A sampling nearest to this location:
| Feature | Type | County | Offset |
|---|---|---|---|
| Robbins Point | Capes | Kennebec County, ME | 0.4 mi |
| Lower Sister Island | Islands | Kennebec County, ME | 0.4 mi |
| Kezar Brook | Streams | Kennebec County, ME | 0.5 mi |
| Cuba Island | Islands | Kennebec County, ME | 0.7 mi |
| Hodgdon Island | Islands | Kennebec County, ME | 0.8 mi |
| Belle Island | Islands | Kennebec County, ME | 1 mi |
| Packards Ledge | Other Natural Features | Kennebec County, ME | 1.1 mi |
| Molazigan Island | Islands | Kennebec County, ME | 1.2 mi |
| Black Island | Islands | Kennebec County, ME | 1.2 mi |
| Welch Point | Capes | Kennebec County, ME | 1.2 mi |
Visiting from Chapman Inn
Distance, bearing & drive time
Chapman Inn sits 44.3 miles east (bearing E) of Upper Sister Island. At moderate back-road speeds the drive runs about 76 minutes — comfortably inside a half-day outing window after breakfast.
Best time to visit
Late May through early October, when the water is safe for small-boat access. At this latitude (44.300°), the shoulder seasons are workable — April and November can be comfortable on mild years. At 44.3 miles from the Inn, block the full day — sunrise start, late return, packed meals. Conditions at Upper Sister Island track the nearby Robbins Point cape (0.4 mi away) closely — if that is runnable, so is this.
Nearest features to Upper Sister Island
| Feature | Type | County | Distance |
|---|---|---|---|
| Robbins Point | Capes | Kennebec County, ME | 0.4 mi |
| Lower Sister Island | Islands | Kennebec County, ME | 0.4 mi |
| Kezar Brook | Streams | Kennebec County, ME | 0.5 mi |
| Cuba Island | Islands | Kennebec County, ME | 0.7 mi |
| Hodgdon Island | Islands | Kennebec County, ME | 0.8 mi |
Frequently Asked Questions
Where is Upper Sister Island located?
Upper Sister Island is in Kennebec County, Maine, approximately 44.3 miles east of Chapman Inn in Bethel, Maine. It appears on the USGS Winthrop topographic quadrangle.
How far is Upper Sister Island from Chapman Inn?
The drive runs about 76 minutes, 44.3 miles east (bearing E) of the Inn.
What type of natural feature is Upper Sister Island?
The U.S. Geological Survey classifies Upper Sister Island as a island, catalogued under GNIS Feature ID 577659 on the Winthrop quadrangle.
When is the best time to visit Upper Sister Island?
Late May through early October, when the water is safe for small-boat access.
How many other islands are in Kennebec County, Maine?
GNIS lists 49 other islands in Kennebec County, Maine.
Wikidata: Q130310408.