If you're looking for manga similar to Laid-Back Camp 2nd Season Specials, you might like these titles.
Aoi's childhood dream of climbing the tallest mountains in the world was destroyed when the girl fell off a jungle gym, developing a crippling fear of heights in the process. Now in high school, the teen enjoys more mundane activities like knitting and sitting quietly, and has absolutely no interest in risking her life in the wilderness. But Aoi's sheltered life is shattered with the reappearance of Hinata, her boisterous childhood friend who's determined to pull the girl out of her shell and scale some mountains! Together, the two learn about climbing gear and try to face their fears, all while becoming the best of friends!
Three friends, all women aged 29, who get together and socialize regularly and indulge in their common passion: drinking. Michiko Takase, the office lady heroine, prefers beer; Misono Miyauchi, a short-haired, muscular book store worker, likes sake; and Yuki Shinonome, the feminine housewife, drinks everything. The manga follows them as they visit hot springs, beer gardens, bars and more to sample different drinks, pair them with delicious side dishes, and chat about work, their family, how to keep warm while wearing skirts, etc.
Kinokura Gen loves camping solo. He enjoys the quiet solitude away from the hustle and bustle of the city, and being able to appreciate nature all by himself. But on one camping trip, his solitude is broken by the appearance of Kusano Shizuku, a young woman who wanted to camp solo herself, but is ill-prepared and completely out of her league. While he tries to to get her to go home so he can camp in peace, she refuses, and stubbornly insists on accompanying him on future camping trips until she's ready to camp solo. Thus Gen and Shizuku's days of solo camping together begin.