The adventure and mountaineering industry has turned into "a complete circus which is too expensive", according to the first Welshman to climb Mount Everest.
Caradoc Jones, 66, said large companies demanded too much money for excursions to some of the world's biggest attractions.
Mr Jones, who is originally from Pontrhydfendigaid, Ceredigion, reached the summit of the world's highest mountain on 23 May 1995 and since then he has continued to climb in some of the most remote areas.
"We have to be careful that we don't lose the element of a real adventure," he said.
Mr Jones, who now lives in Helsby, Cheshire, said his journey with mountaineering began by "climbing mountains in Eryri when I was young".
"Then I learned ice climbing in Scotland, the Alps and there were many campaigns before going to Everest," he said.
While preparing for the challenge in 1995 with his Danish climbing partner, Michael Knakkergaard Jørgensen, Mr Jones started the journey in the Tibet area, north of Everest.
"There's a rocky road that goes all the way to base camp and it's about 20km [12.4 miles] from the East Rongbuk Glacier to the advanced base. Then the real climbing starts there when you're up 6,000ft [1,800m]".