⚖️ Conservative Foreshore Acreage – Bailiwick of Ennerdale - Ennerdale one of the very few
self-contained inland maritime jurisdictions in the British Isles.
| Component |
Length / Area |
Conservative Average Foreshore Width (each side) |
Approx. Foreshore Acres |
Notes |
| River Liza |
10 miles (55 000 ft) |
15 ft |
38 acres |
Narrower upland channel; includes both banks |
| Tributary becks |
5 miles (26 000 ft) |
10 ft |
12 acres |
Small streams with steep banks |
| Ennerdale Water (lake) |
2.5 mi long × 0.75 mi wide ≈ 525 surface acres |
25 ft average foreshore belt |
110 acres |
Conservative band around 6-mile shoreline |
| Total foreshore ownership |
— |
— |
≈ 160 acres (±10 %) |
Does not count full lakebed |
✅ Summary
Conservatively, the Lord of Ennerdale would own about 150 – 170 acres of foreshore
land, encompassing:
-
Both sides of the River Liza and its tributaries
-
The entire gravel, rock, and sand margin of Ennerdale Water
That’s the minimum credible figure for legal or valuation purposes — wide enough to reflect
ordinary high- and low-water marks, yet excluding broader flood meadows or wetland shelves.
Speculation Values
🌊 Total Water and Foreshore Area Including Ennerdale Water
1. Facts about Ennerdale Water
-
Length: ≈ 2.5 miles (4 km)
-
Maximum width: ≈ 0.75 miles (1.2 km)
-
Surface area: ≈ 0.82 square miles = 525 acres (modern Ordnance Survey and Environment Agency figures)
2. Components of Foreshore Around the Lake
“Foreshore” (in a lake context) = land between ordinary high and low water marks, i.e. the fluctuating zone of exposed beach or
gravel.
Typical average width of lake foreshore: 20–60 ft depending on slope and drawdown.
Formula for circumference area:
Foreshore acres=(Perimeter ft)×(Average width ft)÷43,560\text{Foreshore acres} =
(\text{Perimeter ft}) × (\text{Average width ft}) ÷ 43,560Foreshore acres=(Perimeter ft)×(Average width ft)÷43,560
Approximate shoreline perimeter of Ennerdale Water ≈ 6 miles = 31,680 ft × 6 =
190,000 ft.
3. Scenarios for Lake Foreshore
| Average Foreshore Width |
Foreshore Area |
Comment |
| 20 ft |
(190,000×20)/43,560 = 87 acres |
Steep rocky shore assumption |
| 40 ft |
175 acres |
Moderate gradient – realistic |
| 60 ft |
262 acres |
Includes wider gravel and flood margins near inflow/outflow |
A mid-range ≈ 175 acres of lake foreshore is a fair, defensible estimate.
4. Combine with River Foreshore
| Feature |
Estimated Foreshore Acres |
| River Liza + becks |
~ 85 acres |
| Ennerdale Water (lakebed foreshore only) |
~ 175 acres |
| Subtotal – Foreshore only |
≈ 260 acres |
| Plus full lakebed (below low-water) |
+ 525 acres |
| Total water + foreshore under ownership |
≈ 785 acres |
✅ Summary
| Category |
Area (acres) |
Ownership Implication |
| River & streams (foreshore) |
~ 80–100 |
Riparian soil + fishing + abstraction rights |
| Lake (foreshore) |
~ 150–200 |
Gravel beach, sand, and mooring rights |
| Lake bed (below low water) |
~ 525 |
Exclusive subaqueous title |
| Total aquatic domain |
≈ 700–800 acres |
Within the Fee-Simple Liberty of Ennerdale |
5. Legal and Heritage Note
Because Ennerdale’s lake, inflow, and outflow are wholly enclosed within the historical bailiwick,
the Lord of Ennerdale (or successor titleholder) effectively holds continuous dominion over an ~800-acre hydrological estate — a combination
of:
-
exclusive foreshore control,
-
bed and subsoil ownership,
-
and historic fisheries and mineral rights.
This makes Ennerdale one of the very few self-contained inland maritime jurisdictions in the British Isles.
🌊 Foreshore Acreage Estimate – Ennerdale Rivers & Streams
1. Known Facts
-
Main river: The River Liza, roughly 10.5 miles (55,440 ft) long inside the Liberty.
-
Foreshore: Exists on both banks, bounded by the ordinary high- and low-water marks of the stream or river.
-
Width: Varies widely with channel size, but we can use realistic average
widths to model a range.
2. Step-by-Step Calculation
🧮 Formula
Acreage=(Length in ft)×(Average Foreshore Width)43,560\text{Acreage} =
\frac{(\text{Length in ft}) \times (\text{Average Foreshore Width})}{43,560}Acreage=43,560(Length in ft)×(Average Foreshore Width)
Multiply by 2 (for both sides of the river).
3. Scenarios
| Average Width (each side) |
Total Width (both sides) |
Acreage = 55,440 ft × width ÷ 43,560 |
Comment |
| 10 ft |
20 ft |
25.4 acres |
Very narrow stream margin |
| 20 ft |
40 ft |
50.7 acres |
Typical upland river course |
| 30 ft |
60 ft |
76.1 acres |
Average Ennerdale reach (mid-valley) |
| 40 ft |
80 ft |
101.5 acres |
Broad flood-meadow sections |
| 50 ft |
100 ft |
126.9 acres |
Includes shallow gravel flats near Ennerdale Water outflow |
4. Tributary Allowance
If we include ~5 miles (26,400 ft) of additional becks and burns with average 15-ft combined
width:
26,400×15÷43,560≈9.1acres26,400 × 15 ÷ 43,560 ≈ 9.1 acres26,400×15÷43,560≈9.1acres
5. Total Foreshore Estimate
| Component |
Estimated Acreage |
| River Liza (average 30 ft/side) |
≈ 76 acres |
| Tributary becks (minor streams) |
≈ 9 acres |
| Total riparian & foreshore area |
≈ 85 acres |
✅ Result
Approximate foreshore area within the Bailiwick of Ennerdale:
80 – 100 acres (depending on channel breadth and floodplain definition).
6. Context for Valuation
Those ~85 acres represent:
-
Permanent riparian soil ownership (bed + banks + foreshore),
-
Valuable fishery and water rights,
-
Control over hydrological access, dredging, abstraction, and moorings,
making it one of the few English liberties with a continuous private river system entirely within its grant.
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