What guests say about walking Monteverde with our guides
Every review below was published by the guest on Tripadvisor, Google or Facebook. We quote their own words and never edit the content of a review.
4.9/5 from 814 Tripadvisor reviews5.0/5 on Google (295 reviews)
“We had an excellent experience on the Nasua Tours night walk in Monteverde with Oscar as our naturalist guide.”
Andrea PeñaGoogle · 2 months ago“We did a night walk and private birdwatching tour and it was absolutely amazing. We managed to see so many animals that we would not have spotted by ourselves.”
Simone KamiesGoogle · 3 weeks ago“We had an amazing experience on this night walk! The guide was fantastic and honestly made all the difference.”
Natasha AntonyGoogle · 3 weeks ago“Absolute highlight of our trip! Oscar was an incredible guide with a true passion for ecological conservation and we learned so much from him during our tour.”
Hannah SwiftGoogle · 3 months ago“Oscar was kind, polite and patient. The best guide we ever had. We enjoyed the night tour and the bird watching tour with him.”
Lavinia LeeGoogle · 8 months ago“My wife and I had an early morning private tour with Oscar. We were both blown away with Oscar and his broad knowledge of animals, insects and plants. His ability to spot birds, insects and animals was nothing short of astounding.”
Bob EhlmanGoogle · 6 months ago“Amazing! I think we saw every bird in our list including the three waddle bell bird, quetzal, and manakins. Oscar was so knowledgeable and helped us take photos too. I also have a mild obsession with hummingbirds and we were able to identify four different kinds. Couldn't recommend more.”
Hilary TanckGoogle · 3 months ago“We found Oscar Castillo of Nasua Tours Monteverde on ChatGPT and are so glad we did. We booked a private early-morning birdwatching tour, and Oscar was outstanding. He is extremely knowledgeable, passionate, and very personable.”
Jane BoesveldGoogle · 6 months ago“Phenomenal tour, Oscar is the best! He helped us see all of our target birds and was incredibly knowledgeable about all wildlife present. Helped us snag all these photos throughout the 5 hour guided tour as well.”
Jay DanzigerGoogle · 5 months ago“Excellent, knowledgeable guide service. We took two guided tours with Nashua Tours. Our guide, Oscar, was skilled at spotting wildlife and explaining the habits and characteristics of many birds, snakes and mammals.”
Bill RumpfGoogle · 6 months ago“We booked a private bird watching tour with Nasua Tours. The tour was outstanding and significantly exceeded our expectations. Our guide Oscar was extremely knowledgeable in respect of all wildlife, fauna and the cloud forest.”
Margaret BustinGoogle · 6 months ago“My husband and I hired Oscar Castillo, owner of Nasua Tours for a private early morning birdwatching tour ten days ago in Monteverde. We absolutely loved this tour!”
Tracy HensleyGoogle · a year ago“We were lucky enough to take a private bird tour with Oscar this morning and we're so glad we did. He is a passionate birder, super knowledgeable and a terrific teacher and story teller.”
Ruth DKGoogle · 6 months ago“I had the most amazing Bird Tour ever with guide Oscar of Nasua Tours. He knew the name of every bird he heard, could make the call of all the birds and helped me see some of the most amazing and challenging to spot birds in Costa Rica.”
jason brandtGoogle · 2 months ago“We took the small group night walking tour at Wildlife Refuge Monteverde. Our family had a private tour with Oscar, an experienced guide who showed us a variety of animals including birds, bats, vipers, and the highlight — a sloth and her”
Sharon PanzicaGoogle · a year ago“Excelente tour privado en Curi Cancha (Monteverde) con Nasua Tours. Oscar es un guía extraordinario, con un conocimiento impresionante sobre las aves, sus comportamientos y sus cantos.”
AdrianGoogle · 2 months ago“We couldn't have asked for a more wonderfully guide. Oscar was knowledgeable, interested, energetic, and full of helpful information. He was delightful, pleasant, conversational and fun to be with.”
Jackie Jove-AltmanGoogle · a month ago“Had a great private 3 day tour with Nasua Tours in Monteverde. Oscar was a great guide. He knew the birds, their songs, their habits, and environments. He was able to help me find the target birds I wanted to see, and then some.”
Heather WarmGoogle · a year ago“We had a lovely private birding tour with our guide Oscar Castillo. He's very knowledgeable and friendly and we learned a lot as we did the tour.”
Rohan PGoogle · 8 months ago“Holy crap. This tour absolutely blew the others I've been in out of the water. Our guide was so incredibly knowledgeable. He was funny and kind and patient with our questions and so passionate!”
Mandi BreenGoogle · 8 months ago“I did my tour with Oscar, and I could tell he is very knowledgeable and passionate about the wildlife in Monteverde and Costa Rica. I was by myself, and I had a lot of fun with him! We got to see a glass frog during the day. This is a very special memory of my trip :) I hope to take another tour again with him soon!”
Irisa D.Google · 11 months ago“We booked multiple tours with Oscar from Nasua tours and had the best experience spotting birds & wildlife. We also did a night tour with him. We saw 6-8 quetzals in Monteverde Cloud Forest and Oscar knew exactly where to look!”
Jinal SanghaviGoogle · 5 months ago“Oscar our guide was amazing, he went above and beyond to help us with some very annoying issues before we even went on our tour.”
tisl lislGoogle · a year ago“Nasua tours is amazing! We went on two tours with Oscar - a private night tour and private morning birdwatching tour in Curicancha and they were by far the absolute best tours in our 3 weeks in Costa Rica!”
James ResetcoGoogle · 2 years ago“On the recommendation of a friend we booked two tours with Nasua Tours of Monteverde ahead of time; a night time nature hike and a morning birding tour.”
Nancy C. NyeGoogle · a year ago“If you get the chance, take a tour with Nasua Tours. We took a night tour at the Monteverde Wildlife Refuge with their group and it could not have been a better experience.”
Ryan SheridanGoogle · 6 months ago“Oscar is THE best bird guide I could have hoped to follow. He hears everything in the forest making a call or song, then effortlessly finds the bird to go with the sound.”
Carol ArcherGoogle · 3 months ago“Last night I did a night tour at the Monteverde Wildlife Refugee, and Oscar Castillo from Nasua Tours was our guide. Oscar had amazing stories and managed to spot some amazing wildlife for us.”
Hendrik DemirGoogle · a year ago“We had such a wonderful time on our group tour with naturalist Roy and the other guests. Roy is so knowledgeable about the birds and wildlife, and surprisingly great at finding birds, reptiles, butterflies, trees and bugs that we never would have found without him. What a great experience. We highly recommend this tour.”
Midas MitchellGoogle · a year ago“Oscar was a fantastically knowledgeable and enthusiastic guide. He was able to spot so many more birds and amazing creatures than we would have on our own.”
Robert JosephGoogle · a year ago“I can't believe I forgot to write this review!! I took a tour with Oscar in January of 2024 and had the most wonderful time. I always meant to come back and type a heartfelt review, and I guess I just forgot.”
Chris WuebkerGoogle · a year ago“Oscar was an amazing tour guide and we couldn't dream any better. He helped us spot many birds, mammals, insects and plants that we would have missed on our own!”
Carole MATHISGoogle · a year ago“Our guide Oscar made this tour. He was patient, knowledgeable, and instilled so much confidence walking through the forest at night lol.”
Emma SnodgrassGoogle · 3 months ago“What an incredible experience. Oscar was our guide through the Curi-Cancha reserve and our experience could not have been better.”
Dara GellmanGoogle · 2 years ago“We had an outstanding experience with Oscar for a full day tour and a night tour. We were a group of 8 so hired Oscar for private tours for our group.”
Bruce RoeGoogle · 6 months ago“Oscar was an amazing guide! Prompt, professional and so knowledgeable. We did the night tour with him, learned and saw so much! I wish we had hired him for a day tour! Just a few of the many creatures he spotted! You won't regret hiring Oscar.”
Robin MurphyGoogle · a year ago“An excellent night tour from guide Oscar. My father and I went on the night tour and were paired just with Oscar and when my father unexpectedly had to leave the tour soon after it started, Oscar so kindly assisted in getting him back to”
Erik AndersonGoogle · 6 months ago“We, group of 4 people, went on a Night tour with guide Oscar and on a Birdwatching tour with guide Christian. Both guides have a great knowledge of the Costa Rican nature and sharing this knowledge in a way you can easily understand. We enjoyed both tours very much.”
Aart MarkusseGoogle · a year ago“We took a private day tour with Oscar, and it was an absolutely amazing experience. Oscar conveyed boundless enthusiasm about all the nature we saw, making it an unforgettable day.”
Jaymee CoonjobeeharryGoogle · 2 years ago“We booked 2 tours with Oscar, the night tour & a morning bird watching tour. We can confirm it's the best night tour in Monteverde and the best bird watching tour in Monteverde.”
George SmithGoogle · 4 years ago“Nasua provided our family of 4 (9yo & 5yo) a fantastic couple of tours (a night hike and morning hike). Booking was straight forward and the pre tour communications were great. The tour themselves were very enjoyable and informative.”
Jacob WilhelmiGoogle · a year ago“Oscar was incredibly kind, humorous, and knowledgeable about the animals, making the 2-hour tour fly by with pure enjoyment.Among the many tours in Monteverde, I'm so glad I chose this one.”
ちいGoogle · 2 years ago “We booked a night tour and spotted many animals that otherwise we would have never seen. Really knowledgeable, with many years of experience, and so passionate about what he does. We would definitely recommend a tour with Nasua Tours!”
Dora & PeterTripadvisor “Our guide Christian spotted two venomous snakes and a sloth on the night walk that we never would have seen on our own.”
Talmor LTripadvisor “Our guide Oscar found a scorpion, a sleeping hummingbird, and a howler monkey with her baby on the night walk — even our teenagers were captivated.”
CarlijnTripadvisor “Our guide Carlos had real depth of knowledge about the flora and fauna and pointed out plants and insects we would have walked right past.”
Chris WTripadvisor “We hired several wildlife guides during our three weeks in Costa Rica, but Christian from Nasua Tours was the best — an excellent eye for wildlife and impressive knowledge. If you book only one guided tour in Costa Rica, make it this one.”
Jim LTripadvisor “Our guide Steven was super knowledgeable and took the time to answer our questions and share fun facts. We saw a mother and baby sloth, several snakes, frogs and giant insects — experiencing the rainforest at night is so cool!”
Kelly STripadvisor “This was one of the best eco-tours I've taken to date. A first-rate guide, highly knowledgeable about indigenous wildlife and flora of Costa Rica and Monteverde, and about the specific preserves where you might find the species you hope to see.”
Josh Pelta-HellerFacebook Described the outing as an outstanding experience with a highly skilled guide.
Da WTripadvisor · May 2026 Said the guide was excellent and clearly very experienced.
Luke OTripadvisor · January 2026 Guide spotted a sleeping toucan and hummingbirds during the night tour.
Liv FTripadvisor · April 2026 Called the guide excellent and said they would highly recommend the tour.
GlobeTrotting692741Tripadvisor · April 2026 Guide Cristian was praised as extremely knowledgeable on an April night tour.
Brianna BTripadvisor · April 2026 Enjoyed an early-morning birdwatching tour with a guide skilled at spotting wildlife.
SarahPryceTripadvisor · April 2026 Called the night tour awesome, with a knowledgeable guide who found several insects.
Harmony NTripadvisor · April 2026 Guide Frederico was called incredibly informative; the reviewer highly recommends the tour.
Becky TTripadvisor · March 2026 Guide Christian at the Monteverde Wildlife Refuge was described as incredibly knowledgeable.
AdQueenTripadvisor · April 2026
Plan your own walk
Tell us your dates and what you hope to see and we will suggest the reserve and start time that fit best. You can also write to info@nasuatours.com.