Water Depth
Depth is not verified for the exact landing line. Quarry shelves, debris, water level, and visibility can vary, so any depth assessment has to happen from water level under current conditions.

Alstead, New Hampshire, United States
PERMISSION REQUIRED*
Alstead Mica Mine is a quarry cliff near Alstead, New Hampshire, United States. Verify access, posted rules, water depth, hazards, and exit conditions before treating it as jumpable.
the 60-foot height reference matters less than current access, landing-zone depth, water conditions, and a dependable exit route.
Overview
Alstead Mica Mine is a quarry-style cliff-diving lead near Alstead, New Hampshire, United States. Quarry walls can look simple from above, but cold water, abrupt shelves, private or managed access, and hidden ledges make current site rules and water checks essential.
Quick Answer
Alstead Mica Mine is a quarry cliff near Alstead, New Hampshire, United States. Verify access, posted rules, water depth, hazards, and exit conditions before treating it as jumpable.
Key Takeaway
the 60-foot height reference matters less than current access, landing-zone depth, water conditions, and a dependable exit route.
Quick Answer
Alstead Mica Mine is a quarry cliff near Alstead, New Hampshire, United States. Verify access, posted rules, water depth, hazards, and exit conditions before treating it as jumpable.
Key Takeaway
the 60-foot height reference matters less than current access, landing-zone depth, water conditions, and a dependable exit route.
Conditions and planning notes
Depth is not verified for the exact landing line. Quarry shelves, debris, water level, and visibility can vary, so any depth assessment has to happen from water level under current conditions.
Confirm public access, land manager rules, posted signs, parking, and any seasonal restrictions before visiting Alstead Mica Mine. Do not assume informal routes are open or permitted.
Use only posted public or managed entry points. Avoid rim shortcuts, private roads, unstable edges, and any ledge where the operator or land manager restricts jumping.
Cold quarry water, slick rock, abrupt shelves, hidden debris, restricted access, crowding, and difficult exits.
Treat the shoreline ledge as condition-dependent; surf and exit timing matter more than the apparent height. is the local ledge label attached to this spot. Use it for orientation only after confirming the takeoff, landing zone, water depth, and exit route.
Cold water, slick stone, abrupt shelves, hidden debris, crowding, restricted access, and difficult exits are the main quarry hazards. Do not assume a familiar quarry is open or safe.
Map location
Alstead, New Hampshire, United States
43.15114, -72.31015
Alstead Mica Mine sits around Alstead, New Hampshire, United States, putting this quarry-water spot in the orbit of Alstead and the broader New Hampshire area of United States. Use the saved coordinates and current map view as a starting point, then confirm the exact approach locally because cliff-jumping access can change around parks, private land, roads, shorelines, and water-management areas.
In northern or mountain climates, spring runoff and cold water can be as important as ledge height. Conditions are not static: rain, snowmelt, drought, reservoir drawdowns, tides, surf, and weekend crowding can all change what looks like the same jump from one visit to the next. Treat saved route notes as background, not as a present-day clearance to jump.
The main assumed risks include cold deep water, abrupt walls, poor exits, submerged debris, and uncertain ownership or enforcement. Access should be treated as conditional until signs, land ownership, permits, and local rules are confirmed. Before anyone climbs to a ledge, inspect the landing zone from the water, identify the exit, look for submerged rocks or debris, and be willing to walk away if the depth, footing, legality, or rescue options are uncertain.
FAQs