Community tourism is often described as inherently benign, which holds only within a range. Beyond a certain volume the same activity begins to dismantle what attracted visitors initially.
Village infrastructure has no elasticity
Water supply, waste disposal, tracks and power in a small settlement are sized for the resident population with little margin.
A modest number of guests is absorbed easily. A number approaching the resident population is not, and the failures appear first in water and sanitation.
Because the infrastructure is communal, the strain is felt by everyone rather than only by the households earning from visitors, which is where resentment usually begins.
Land and housing reprice quickly
A room let to visitors can earn more in a week than a long tenancy earns in a month, so housing converts to guest use wherever demand appears.
Land values follow, which benefits owners and prices out young households, who then leave for towns where housing is available.
The village retains its buildings and loses the residents, which is the same process that hollows out city districts, at a scale where it is visible within a few years.
Shared resources become contested
Grazing land, firewood, fishing grounds and water are commonly managed through customary arrangements that assume a fixed set of users.
Tourism introduces demand from outside those arrangements, and the rules governing them rarely have a mechanism for allocating a commercial share.
Disputes tend to surface at the point where a resource is scarce anyway, such as water in a dry season, which is also when visitor numbers may be highest.
Culture shifts from practice to performance
Ceremonies and crafts that visitors want to see start being scheduled for visitors rather than for their own occasions.
Scheduling changes their meaning, and once income depends on the performance the community's ability to decline or alter it narrows.
Handled deliberately, with the community setting what is shown and when, this can be managed. Handled by demand, it usually is not.
Caps are the common answer
Villages that manage this well set a limit on guest numbers, beds or vehicles, and enforce it through the same body that allocates bookings.
Caps only hold where they are set locally and where there is a mechanism for turning business away, which requires an organisation with authority.
The visitor-facing consequence is that the best community programmes are frequently the hardest to book, and the difficulty is the safeguard working.