Piritas Canyon

verified ACA 3C1 III High flood risk San Isidro de El General, San José

Ten-rappel Pacific-slope canyon roughly an hour west of San Isidro, the southern Costa Rica entry on this list.

Pulls Costa Rica coverage south of the Central Valley clusters. The downed-tree hazard near R7-R8 was current as of recent visits; treat it as a strainer until updated. Late dry-season descents reported low flow, which is the friendlier mode for this descent.

Logistics

Manager	Private property
Permit	No formal permit required. Respect private property markers on the approach and exit. Vehicle break-in risk at the trailhead has been flagged; do not leave valuables visible.
Distance	2.2
Elevation	~960 ft gain on approach, ~500 ft loss on descent
Time	3-4.5 hr (45 min to 1.5 hr approach, 1.5-2 hr descent, 30 min to 1 hr exit)
Technical	Also called Las Piritas. Ropewiki rates 3C1 III (v3a3 II). 10 to 11 rappels (the first two are optional), longest about 98 ft. A short slide noted, with stream wading on the approach. A large tree fell into the watercourse around R7 and R8 (limbs underwater); flag this as a snag hazard during anchor work.
Season	Dec-Apr
Flood risk	High. Pacific-slope drainage; ropewiki flags dangerous swift water and slippery terrain. The downed tree compounds entrapment risk near R7-R8.
Vehicle access	4WD recommended
Crowd	Low (3.8 on 2 ratings)
Coordinates	9.3623, -83.507

Sources

ropewiki: https://ropewiki.com/Piritas_Canyon