The Peñol-Guatapé reservoir is one of the largest artificial lakes in Colombia — roughly 64 square kilometers of water surface with hundreds of coves, peninsulas, and submerged structure. Below the turquoise surface, it holds populations of tilapia (mojarra), introduced peacock bass (tucunaré), and other freshwater species that make it a legitimate fishing destination, not just a backdrop for tourist boat rides.
Fishing here is not a developed sport-fishing industry like you'd find in Costa Rica or Brazil. It's quieter, more local, and more DIY. That's part of the appeal.
What You'll Catch
Mojarra (Tilapia): The most abundant fish in the reservoir. Both red tilapia (mojarra roja) and silver tilapia (mojarra plateada) are present in large numbers. They're not trophy fish, but they fight respectably on light tackle and they're delicious fried whole — which is exactly how you'll eat them at any lakefront restaurant in town.
Tucunaré (Peacock Bass): Introduced to the reservoir, peacock bass are the more exciting target. They're aggressive, strike hard, and reach 2–4 kg in these waters. They prefer the warmer, shallower coves and respond well to topwater lures and small crankbaits.
Bocachico: A native Colombian freshwater fish, present but less commonly targeted by recreational anglers. Traditionally caught for food rather than sport.
How to Fish the Reservoir
Guided trips: The easiest option. Several operators in Guatapé offer half-day fishing excursions (4–5 hours) for COP 150,000–250,000 per person, including a boat, basic tackle, bait, and a captain who knows the productive spots. Some trips include cooking your catch at a lakeside finca afterward — ask for this, it's the best version of the experience.
Boat rental + DIY: Rent a lancha (small motorboat) with a driver from the waterfront. Negotiate a fishing-focused trip — you want to go slow and stop in coves, not the standard cruise route. Bring your own tackle or buy basic setups in town. Half-day boat rental runs COP 100,000–200,000 depending on boat size and negotiation.
Shore fishing: Possible from the reservoir's many accessible shoreline points, especially along the road between Guatapé and La Piedra. Early morning (5:30–8:00 AM) and late afternoon (4:00–6:00 PM) are the productive windows. Bring your own gear — there's no tackle rental for shore fishing.
Best Times & Seasons
Dawn and dusk produce the best bite, year-round. The pre-dawn window (5:00–7:00 AM) before boat traffic churns the water is consistently the most productive period. Peacock bass are more active in warmer months (December–March). Tilapia bite year-round.
Rainy season (October–November) can actually be excellent for fishing — rising water levels push fish into new structure, and the reduced boat traffic means less disturbance. The trade-off is afternoon storms that can force you off the water.
Practical Notes
Bring sunscreen, a hat, and polarized sunglasses (essential for sight-fishing in clear water). The reservoir sits at ~1,890m elevation — the sun at this altitude burns faster than you expect. Bring a waterproof bag for your phone. The water temperature is 18–22°C, so if you're wading, expect it to be cool. There are no marinas with bait shops — if you need live bait or specific tackle, buy it in Medellín before you come or order from a local contact.
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Frequently Asked Questions
Yes. The Peñol-Guatapé reservoir supports recreational fishing, primarily for mojarra (tilapia) and bass. You can fish from shore, from a rented boat, or on a guided fishing trip.
Colombian fishing regulations require a permit for recreational fishing in inland waters. Guided fishing operators typically handle permits as part of their packages. If fishing independently, check with local authorities at the AUNAP office.
The primary sport fish are mojarra roja (red tilapia), mojarra plateada (silver tilapia), and tucunaré (peacock bass, introduced). Bocachico and other native species are also present.