Slot Canyon Atlas

AtlasBajos del Toro

Chemica Canyon

verified ACA 1C1 I High flood risk Bajos del Toro, Alajuela

Volcanic canyon to the Rio Toro, accessed only with a guide because the route crosses ICE utility property.

The grade discrepancy is real: ropewiki posts 1C1 (non-technical) but the route has rappels including a 164 ft drop, so trust the route data over the headline number. ICE access is the real gating factor; a local guide makes the legal entry possible.

Logistics

ManagerInstituto Costarricense de Electricidad (ICE)
PermitAccess restricted. The canyon is on ICE (state electricity utility) property. Enter only with a guide familiar with the access restrictions; independent entry is not the practical option.
Time3.5-7.5 hr (3-6 hr descent, plus 30-45 min approach)
TechnicalVolcanic water canyon draining toward Rio Toro. Ropewiki rates 1C1 I (v4a4 II). 3 to 6 rappels (first three end at a gated road, final three drop to the Rio Toro). Longest rappel about 164 ft. Swift water hazard at flow; recent reports describe high flow as punishing.
SeasonMar-May
Flood riskHigh. Steep volcanic catchment, flow is flashy. The gated-road midpoint provides an honest bail option after the first three rappels.
Vehicle accessPassenger car
CrowdLow (3.0 on 1 rating)
Coordinates10.2821, -84.2639

Sources