Fig. 1

Fig. 2

Fig. 3

Fig. S1

Chi-squared, Fisher's exact, t-tests of distinctions between domestic and international visitors_
| Variables | Levels | Domestic visitor (N = 71) | International visitor (N = 66) | χ2/t-statistic | Fisher's exact | ||
|---|---|---|---|---|---|---|---|
| Frequency | Percentage | Frequency | Percentage | ||||
| Gender | Female | 32 | 45.07% | 31 | 46.97% | 0.050 | 0.865 | 
| Male | 39 | 54.93% | 35 | 53.03% | |||
| Education Level | Below university | 31 | 43.66% | 11 | 16.67% | 21.946*** | 0.000*** | 
| University | 35 | 49.30% | 33 | 50.00% | |||
| Post graduate | 4 | 5.63% | 22 | 33.33% | |||
| First visit | No | 50 | 70.42% | 21 | 31.82% | 32.341*** | 0.000*** | 
| Yes | 11 | 15.49% | 45 | 68.18% | |||
| Overnight stay | No | 34 | 47.89% | 30 | 45.45% | 0.131 | 0.733 | 
| Yes | 35 | 49.30% | 35 | 53.03% | |||
| Companion(s) | No | 4 | 5.63% | 9 | 13.64% | 2.550 | 0.147 | 
| Yes | 67 | 94.37% | 57 | 86.36% | |||
| Wish to return | No | 5 | 7.04% | 17 | 25.76% | 8.930** | 0.004** | 
| Yes | 65 | 91.55% | 48 | 72.73% | |||
| Transport | Private car | 58 | 81.69% | 27 | 40.91% | 27.253*** | 0.000*** | 
| Rental car | 8 | 11.27% | 32 | 48.48% | |||
| Public transport | 3 | 4.23% | 7 | 10.61% | |||
| Age | Mean | 50.96 | 34.85 | 5.823*** | |||
| Enjoying nature with family or friends | Mean | 3.62 | 3.43 | 2.039* | |||
| Improving physical health | Mean | 2.80 | 2.86 | −0.447 | |||
| Discovering and learning | Mean | 2.78 | 3.23 | −3.633*** | |||
| Escaping | Mean | 2.80 | 3.08 | −2.065* | |||
| mov_landscape | Mean | 3.83 | 3.71 | 1.67 | |||
| mov_hiking | Mean | 3.51 | 3.19 | 2.42* | |||
| mov_driving | Mean | 3.54 | 2.88 | 4.68*** | |||
Principal-component factor analysis of push factors_ Source: own study_
| Dimension | Factor label | Factor 1 | Factor 2 | Factor 3 | Factor 4 | 
|---|---|---|---|---|---|
| Enjoying nature with family or friends | mov_fam | 0.83 | |||
| mov_experience | 0.77 | ||||
| mov_scenery | 0.61 | ||||
| mov_refresh | 0.51 | ||||
| Improving physical health | mov_exercise | 0.88 | |||
| mov_health | 0.84 | ||||
| Discovering and learning | mov_knowledge | 0.89 | |||
| mov_discover | 0.81 | ||||
| mov_wildlife | 0.55 | ||||
| Escaping | mov_rest | 0.84 | |||
| mov_escape | 0.81 | ||||
| Initial eigenvalue | 3.80 | 1.31 | 1.24 | 1.15 | |
| Cronbach's alpha | 0.71 | 0.80 | 0.71 | 0.65 | |
| Proportion of variance | 18.54% | 17.50% | 17.35% | 14.86% | |
Coding and literature sources of push- and pull-factor motivations_
| Statements | Coding | Source | 
|---|---|---|
| To get away from everyday life | mov_escape | (Kim et al. 2003; Phau et al. 2013; Alexandris et al. 2009) | 
| To take rest | mov_rest | (Kim et al. 2003; Phau et al. 2013; Alexandris et al. 2009) | 
| To do physical exercise | mov_exercise | (Alexandris et al. 2009) | 
| To see wildlife | mov_wildlife | (Kim et al. 2003) | 
| To enhance health | mov_health | (Kim et al. 2003; Phau et al. 2013) | 
| To enjoy natural scenery | mov_scenery | (Kim et al. 2003; Phau et al. 2013; Alexandris et al. 2009) | 
| To refresh mind and gain inspiration | mov_refresh | (Pan, Ryan 2007) | 
| To enjoy time with family or friends | mov_fam | (Pan, Ryan 2007; Wang 2004; Alexandris et al. 2009) | 
| To share travel experiences after returning home | mov_experience | (Wang 2004) | 
| To discover new places and things | mov_discover | (Pan, Ryan 2007) | 
| To increase my knowledge and experience | mov_knowledge | (Pan, Ryan 2007) | 
| Attractive natural landscape (grassland, forest, etc.) | mov_landscape | (Kim et al. 2003) | 
| Attractive hiking opportunity | mov_hiking | (Pan, Ryan 2007) | 
| Attractive driving opportunity | mov_driving | (Carson et al. 2009) |